31300012213111 has 16 divisors (see below), whose sum is σ = 31524666421248. Its totient is φ = 31075823363200.

The previous prime is 31300012213097. The next prime is 31300012213117. The reversal of 31300012213111 is 11131221000313.

It is a cyclic number.

It is not a de Polignac number, because 31300012213111 - 2⁵ = 31300012213079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300012213117) 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, 494587791 + ... + 494651071.

It is an arithmetic number, because the mean of its divisors is an integer number (1970291651328).

Almost surely, 2^{31300012213111} is an apocalyptic number.

31300012213111 is a deficient number, since it is larger than the sum of its proper divisors (224654208137).

31300012213111 is a wasteful number, since it uses less digits than its factorization.

31300012213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66902.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31300012213111 its reverse (11131221000313), we get a palindrome (42431233213424).

The spelling of 31300012213111 in words is "thirty-one trillion, three hundred billion, twelve million, two hundred thirteen thousand, one hundred eleven".