31012302212113 has 16 divisors (see below), whose sum is σ = 32259715651584. Its totient is φ = 29793137699920.

The previous prime is 31012302212107. The next prime is 31012302212189. The reversal of 31012302212113 is 31121220321013.

It is a cyclic number.

It is not a de Polignac number, because 31012302212113 - 2¹³ = 31012302203921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31012302212513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19712695 + ... + 21227692.

It is an arithmetic number, because the mean of its divisors is an integer number (2016232228224).

Almost surely, 2^{31012302212113} is an apocalyptic number.

It is an amenable number.

31012302212113 is a deficient number, since it is larger than the sum of its proper divisors (1247413439471).

31012302212113 is a wasteful number, since it uses less digits than its factorization.

31012302212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40940732.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31012302212113 its reverse (31121220321013), we get a palindrome (62133522533126).

The spelling of 31012302212113 in words is "thirty-one trillion, twelve billion, three hundred two million, two hundred twelve thousand, one hundred thirteen".