113311213031 has 8 divisors (see below), whose sum is σ = 116133925824. Its totient is φ = 110505660160.

The previous prime is 113311213021. The next prime is 113311213069. The reversal of 113311213031 is 130312113311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113311213031 - 2¹⁸ = 113310950887 is a prime.

It is a super-2 number, since 2×113311213031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113311212994 and 113311213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311213021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4276610 + ... + 4303023.

It is an arithmetic number, because the mean of its divisors is an integer number (14516740728).

Almost surely, 2^113311213031 is an apocalyptic number.

113311213031 is a deficient number, since it is larger than the sum of its proper divisors (2822712793).

113311213031 is an equidigital number, since it uses as much as digits as its factorization.

113311213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8579961.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 113311213031 its reverse (130312113311), we get a palindrome (243623326342).

The spelling of 113311213031 in words is "one hundred thirteen billion, three hundred eleven million, two hundred thirteen thousand, thirty-one".