31401012212983 has 4 divisors (see below), whose sum is σ = 35886871100560. Its totient is φ = 26915153325408.

The previous prime is 31401012212971. The next prime is 31401012213047. The reversal of 31401012212983 is 38921221010413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31401012212983 - 2¹³ = 31401012204791 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 (31401012215983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242929443778 + ... + 2242929443791.

It is an arithmetic number, because the mean of its divisors is an integer number (8971717775140).

Almost surely, 2^{31401012212983} is an apocalyptic number.

31401012212983 is a deficient number, since it is larger than the sum of its proper divisors (4485858887577).

31401012212983 is an equidigital number, since it uses as much as digits as its factorization.

31401012212983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485858887576.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 31401012212983 in words is "thirty-one trillion, four hundred one billion, twelve million, two hundred twelve thousand, nine hundred eighty-three".