1100430131 has 4 divisors (see below), whose sum is σ = 1100544432. Its totient is φ = 1100315832.

The previous prime is 1100430127. The next prime is 1100430139. The reversal of 1100430131 is 1310340011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100430131 - 2² = 1100430127 is a prime.

It is a super-2 number, since 2×1100430131² = 2421892946425354322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100430139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41231 + ... + 62456.

It is an arithmetic number, because the mean of its divisors is an integer number (275136108).

Almost surely, 2^1100430131 is an apocalyptic number.

1100430131 is a deficient number, since it is larger than the sum of its proper divisors (114301).

1100430131 is a wasteful number, since it uses less digits than its factorization.

1100430131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114300.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1100430131 is about 33172.7317385831. The cubic root of 1100430131 is about 1032.4146481281.

Adding to 1100430131 its reverse (1310340011), we get a palindrome (2410770142).

The spelling of 1100430131 in words is "one billion, one hundred million, four hundred thirty thousand, one hundred thirty-one".