1153431113 has 8 divisors (see below), whose sum is σ = 1222255008. Its totient is φ = 1084715584.

The previous prime is 1153431107. The next prime is 1153431131. The reversal of 1153431113 is 3111343511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153431113 - 2¹² = 1153427017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153431143) 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, 4631 + ... + 48252.

It is an arithmetic number, because the mean of its divisors is an integer number (152781876).

Almost surely, 2^1153431113 is an apocalyptic number.

It is an amenable number.

1153431113 is a deficient number, since it is larger than the sum of its proper divisors (68823895).

1153431113 is a wasteful number, since it uses less digits than its factorization.

1153431113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54183.

The product of its digits is 540, while the sum is 23.

The square root of 1153431113 is about 33962.2012390245. The cubic root of 1153431113 is about 1048.7304726204.

Adding to 1153431113 its reverse (3111343511), we get a palindrome (4264774624).

The spelling of 1153431113 in words is "one billion, one hundred fifty-three million, four hundred thirty-one thousand, one hundred thirteen".