31301231032313 has 16 divisors (see below), whose sum is σ = 35945439344640. Its totient is φ = 26956916528400.

The previous prime is 31301231032289. The next prime is 31301231032373. The reversal of 31301231032313 is 31323013210313.

It is a cyclic number.

It is not a de Polignac number, because 31301231032313 - 2⁶ = 31301231032249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301231032373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239856 + ... + 8223102.

It is an arithmetic number, because the mean of its divisors is an integer number (2246589959040).

Almost surely, 2^{31301231032313} is an apocalyptic number.

It is an amenable number.

31301231032313 is a deficient number, since it is larger than the sum of its proper divisors (4644208312327).

31301231032313 is a wasteful number, since it uses less digits than its factorization.

31301231032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008308.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31301231032313 its reverse (31323013210313), we get a palindrome (62624244242626).

The spelling of 31301231032313 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, thirty-two thousand, three hundred thirteen".