31043131014213 has 32 divisors (see below), whose sum is σ = 46566070715520. Its totient is φ = 20437329830400.

The previous prime is 31043131014127. The next prime is 31043131014257. The reversal of 31043131014213 is 31241013134013.

31043131014213 is a `hidden beast` number, since 3 + 1 + 0 + 431 + 3 + 1 + 0 + 14 + 213 = 666.

It is not a de Polignac number, because 31043131014213 - 2⁸ = 31043131013957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31043131014713) 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, 16032588 + ... + 17864213.

It is an arithmetic number, because the mean of its divisors is an integer number (1455189709860).

Almost surely, 2^{31043131014213} is an apocalyptic number.

It is an amenable number.

31043131014213 is a deficient number, since it is larger than the sum of its proper divisors (15522939701307).

31043131014213 is a wasteful number, since it uses less digits than its factorization.

31043131014213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33897234 (or 33897228 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 31043131014213 its reverse (31241013134013), we get a palindrome (62284144148226).

The spelling of 31043131014213 in words is "thirty-one trillion, forty-three billion, one hundred thirty-one million, fourteen thousand, two hundred thirteen".