31213301313311 has 8 divisors (see below), whose sum is σ = 33735675847104. Its totient is φ = 28708262687520.

The previous prime is 31213301313281. The next prime is 31213301313367. The reversal of 31213301313311 is 11331310331213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31213301313311 - 2⁶ = 31213301313247 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 (31213301313371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4333973255 + ... + 4333980456.

It is an arithmetic number, because the mean of its divisors is an integer number (4216959480888).

Almost surely, 2^{31213301313311} is an apocalyptic number.

31213301313311 is a deficient number, since it is larger than the sum of its proper divisors (2522374533793).

31213301313311 is a wasteful number, since it uses less digits than its factorization.

31213301313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667954001.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 31213301313311 its reverse (11331310331213), we get a palindrome (42544611644524).

The spelling of 31213301313311 in words is "thirty-one trillion, two hundred thirteen billion, three hundred one million, three hundred thirteen thousand, three hundred eleven".