1231160130 has 24 divisors (see below), whose sum is σ = 3201016572. Its totient is φ = 328309344.

The previous prime is 1231160129. The next prime is 1231160131. The reversal of 1231160130 is 310611321.

1231160130 is a `hidden beast` number, since 1 + 2 + 31 + 1 + 601 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (1231160129) and next prime (1231160131).

It can be written as a sum of positive squares in 2 ways, for example, as 1187560521 + 43599609 = 34461^2 + 6603^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1231160131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6839689 + ... + 6839868.

Almost surely, 2^1231160130 is an apocalyptic number.

1231160130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231160130 is an abundant number, since it is smaller than the sum of its proper divisors (1969856442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231160130 is a wasteful number, since it uses less digits than its factorization.

1231160130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13679570 (or 13679567 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1231160130 is about 35087.8915012002. The cubic root of 1231160130 is about 1071.7780232312.

Adding to 1231160130 its reverse (310611321), we get a palindrome (1541771451).

The spelling of 1231160130 in words is "one billion, two hundred thirty-one million, one hundred sixty thousand, one hundred thirty".