31301113133321 has 16 divisors (see below), whose sum is σ = 31643380684800. Its totient is φ = 30959488560000.

The previous prime is 31301113133317. The next prime is 31301113133363. The reversal of 31301113133321 is 12333131110313.

It is a cyclic number.

It is not a de Polignac number, because 31301113133321 - 2² = 31301113133317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301113133371) 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, 931037450 + ... + 931071068.

It is an arithmetic number, because the mean of its divisors is an integer number (1977711292800).

Almost surely, 2^{31301113133321} is an apocalyptic number.

It is an amenable number.

31301113133321 is a deficient number, since it is larger than the sum of its proper divisors (342267551479).

31301113133321 is a wasteful number, since it uses less digits than its factorization.

31301113133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42880.

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

Adding to 31301113133321 its reverse (12333131110313), we get a palindrome (43634244243634).

The spelling of 31301113133321 in words is "thirty-one trillion, three hundred one billion, one hundred thirteen million, one hundred thirty-three thousand, three hundred twenty-one".