31402222120113 has 32 divisors (see below), whose sum is σ = 46374346368000. Its totient is φ = 18775642219776.

The previous prime is 31402222120111. The next prime is 31402222120169. The reversal of 31402222120113 is 31102122220413.

It is not a de Polignac number, because 31402222120113 - 2¹ = 31402222120111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31402222120111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14323713 + ... + 16369886.

It is an arithmetic number, because the mean of its divisors is an integer number (1449198324000).

Almost surely, 2^{31402222120113} is an apocalyptic number.

It is an amenable number.

31402222120113 is a deficient number, since it is larger than the sum of its proper divisors (14972124247887).

31402222120113 is a wasteful number, since it uses less digits than its factorization.

31402222120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30694361.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31402222120113 its reverse (31102122220413), we get a palindrome (62504344340526).

The spelling of 31402222120113 in words is "thirty-one trillion, four hundred two billion, two hundred twenty-two million, one hundred twenty thousand, one hundred thirteen".