1131342430 has 16 divisors (see below), whose sum is σ = 2038819104. Its totient is φ = 452003040.

The previous prime is 1131342419. The next prime is 1131342439. The reversal of 1131342430 is 342431311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131342439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57786 + ... + 74845.

It is an arithmetic number, because the mean of its divisors is an integer number (127426194).

Almost surely, 2^1131342430 is an apocalyptic number.

1131342430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131342430 is a deficient number, since it is larger than the sum of its proper divisors (907476674).

1131342430 is a wasteful number, since it uses less digits than its factorization.

1131342430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133491.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1131342430 is about 33635.4341431770. The cubic root of 1131342430 is about 1041.9927368609.

Adding to 1131342430 its reverse (342431311), we get a palindrome (1473773741).

The spelling of 1131342430 in words is "one billion, one hundred thirty-one million, three hundred forty-two thousand, four hundred thirty".