1113552431 has 2 divisors, whose sum is σ = 1113552432. Its totient is φ = 1113552430.

The previous prime is 1113552413. The next prime is 1113552449. The reversal of 1113552431 is 1342553111.

Together with previous prime (1113552413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1113552413) and next prime (1113552449).

It is a cyclic number.

It is not a de Polignac number, because 1113552431 - 2¹⁰ = 1113551407 is a prime.

It is a super-2 number, since 2×1113552431² = 2479998033172019522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113552431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113552331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556776215 + 556776216.

It is an arithmetic number, because the mean of its divisors is an integer number (556776216).

Almost surely, 2^1113552431 is an apocalyptic number.

1113552431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113552431 is an equidigital number, since it uses as much as digits as its factorization.

1113552431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 1113552431 is about 33369.9330385903. The cubic root of 1113552431 is about 1036.5021886029.

The spelling of 1113552431 in words is "one billion, one hundred thirteen million, five hundred fifty-two thousand, four hundred thirty-one".