40112313213 has 12 divisors (see below), whose sum is σ = 62215016640. Its totient is φ = 22921321752.

The previous prime is 40112313203. The next prime is 40112313251. The reversal of 40112313213 is 31231321104.

It is not a de Polignac number, because 40112313213 - 2⁵ = 40112313181 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 40112313213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112313203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136436293 + ... + 136436586.

It is an arithmetic number, because the mean of its divisors is an integer number (5184584720).

Almost surely, 2^40112313213 is an apocalyptic number.

It is an amenable number.

40112313213 is a deficient number, since it is larger than the sum of its proper divisors (22102703427).

40112313213 is a wasteful number, since it uses less digits than its factorization.

40112313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272872896 (or 272872889 counting only the distinct ones).

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

Adding to 40112313213 its reverse (31231321104), we get a palindrome (71343634317).

The spelling of 40112313213 in words is "forty billion, one hundred twelve million, three hundred thirteen thousand, two hundred thirteen".