1113553031 has 2 divisors, whose sum is σ = 1113553032. Its totient is φ = 1113553030.

The previous prime is 1113553003. The next prime is 1113553123. The reversal of 1113553031 is 1303553111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113553031 is a prime.

It is a super-2 number, since 2×1113553031² = 2480000705698573922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113552988 and 1113553006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113553531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556776515 + 556776516.

It is an arithmetic number, because the mean of its divisors is an integer number (556776516).

Almost surely, 2^1113553031 is an apocalyptic number.

1113553031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113553031 is an equidigital number, since it uses as much as digits as its factorization.

1113553031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1113553031 is about 33369.9420287180. The cubic root of 1113553031 is about 1036.5023747643.

The spelling of 1113553031 in words is "one billion, one hundred thirteen million, five hundred fifty-three thousand, thirty-one".