31422011313 has 96 divisors (see below), whose sum is σ = 55144627200. Its totient is φ = 15724679040.

The previous prime is 31422011293. The next prime is 31422011329. The reversal of 31422011313 is 31311022413.

It is not a de Polignac number, because 31422011313 - 2⁶ = 31422011249 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31422011313.

It is not an unprimeable number, because it can be changed into a prime (31422011333) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6159838 + ... + 6164936.

It is an arithmetic number, because the mean of its divisors is an integer number (574423200).

Almost surely, 2^31422011313 is an apocalyptic number.

31422011313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31422011313 is a deficient number, since it is larger than the sum of its proper divisors (23722615887).

31422011313 is a wasteful number, since it uses less digits than its factorization.

31422011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267 (or 5260 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31422011313 its reverse (31311022413), we get a palindrome (62733033726).

The spelling of 31422011313 in words is "thirty-one billion, four hundred twenty-two million, eleven thousand, three hundred thirteen".