31213344133414 has 16 divisors (see below), whose sum is σ = 47021329450368. Its totient is φ = 15539568701632.

The previous prime is 31213344133403. The next prime is 31213344133423. The reversal of 31213344133414 is 41433144331213.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 101040939 + ... + 101349385.

It is an arithmetic number, because the mean of its divisors is an integer number (2938833090648).

Almost surely, 2^{31213344133414} is an apocalyptic number.

31213344133414 is a deficient number, since it is larger than the sum of its proper divisors (15807985316954).

31213344133414 is a wasteful number, since it uses less digits than its factorization.

31213344133414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525839.

The product of its digits is 124416, while the sum is 37.

Adding to 31213344133414 its reverse (41433144331213), we get a palindrome (72646488464627).

The spelling of 31213344133414 in words is "thirty-one trillion, two hundred thirteen billion, three hundred forty-four million, one hundred thirty-three thousand, four hundred fourteen".