31301213211313 has 8 divisors (see below), whose sum is σ = 31551749208000. Its totient is φ = 31051428448080.

The previous prime is 31301213211287. The next prime is 31301213211319. The reversal of 31301213211313 is 31311231210313.

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

It is a cyclic number.

It is not a de Polignac number, because 31301213211313 - 2²¹ = 31301211114161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301213211319) 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, 187724698 + ... + 187891363.

It is an arithmetic number, because the mean of its divisors is an integer number (3943968651000).

Almost surely, 2^{31301213211313} is an apocalyptic number.

It is an amenable number.

31301213211313 is a deficient number, since it is larger than the sum of its proper divisors (250535996687).

31301213211313 is a wasteful number, since it uses less digits than its factorization.

31301213211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375616727.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 31301213211313 its reverse (31311231210313), we get a palindrome (62612444421626).

The spelling of 31301213211313 in words is "thirty-one trillion, three hundred one billion, two hundred thirteen million, two hundred eleven thousand, three hundred thirteen".