1113831831 has 16 divisors (see below), whose sum is σ = 1743140864. Its totient is φ = 619272864.

The previous prime is 1113831811. The next prime is 1113831841. The reversal of 1113831831 is 1381383111.

It is not a de Polignac number, because 1113831831 - 2¹³ = 1113823639 is a prime.

It is a super-2 number, since 2×1113831831² = 2481242695497625122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113831811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715975 + ... + 717528.

It is an arithmetic number, because the mean of its divisors is an integer number (108946304).

Almost surely, 2^1113831831 is an apocalyptic number.

1113831831 is a deficient number, since it is larger than the sum of its proper divisors (629309033).

1113831831 is a wasteful number, since it uses less digits than its factorization.

1113831831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433550.

The product of its digits is 1728, while the sum is 30.

The square root of 1113831831 is about 33374.1191793881. The cubic root of 1113831831 is about 1036.5888704947.

The spelling of 1113831831 in words is "one billion, one hundred thirteen million, eight hundred thirty-one thousand, eight hundred thirty-one".