1113552031 has 4 divisors (see below), whose sum is σ = 1113634872. Its totient is φ = 1113469192.

The previous prime is 1113551977. The next prime is 1113552043. The reversal of 1113552031 is 1302553111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1113552031 - 2⁷ = 1113551903 is a prime.

It is a super-2 number, since 2×1113552031² = 2479996251488449922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113551993 and 1113552011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113552331) 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, 16096 + ... + 49861.

It is an arithmetic number, because the mean of its divisors is an integer number (278408718).

Almost surely, 2^1113552031 is an apocalyptic number.

1113552031 is a deficient number, since it is larger than the sum of its proper divisors (82841).

1113552031 is an equidigital number, since it uses as much as digits as its factorization.

1113552031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82840.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1113552031 is about 33369.9270451705. The cubic root of 1113552031 is about 1036.5020644953.

The spelling of 1113552031 in words is "one billion, one hundred thirteen million, five hundred fifty-two thousand, thirty-one".