31113402411 has 32 divisors (see below), whose sum is σ = 51067473408. Its totient is φ = 16408385280.

The previous prime is 31113402407. The next prime is 31113402449. The reversal of 31113402411 is 11420431113.

It is not a de Polignac number, because 31113402411 - 2² = 31113402407 is a prime.

It is a super-2 number, since 2×31113402411² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (31113402401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2742631 + ... + 2753951.

It is an arithmetic number, because the mean of its divisors is an integer number (1595858544).

Almost surely, 2^31113402411 is an apocalyptic number.

31113402411 is a deficient number, since it is larger than the sum of its proper divisors (19954070997).

31113402411 is a wasteful number, since it uses less digits than its factorization.

31113402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21411.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31113402411 its reverse (11420431113), we get a palindrome (42533833524).

The spelling of 31113402411 in words is "thirty-one billion, one hundred thirteen million, four hundred two thousand, four hundred eleven".