311551410545121 has 16 divisors (see below), whose sum is σ = 418360202058368. Its totient is φ = 206223143616000.

The previous prime is 311551410545071. The next prime is 311551410545147. The reversal of 311551410545121 is 121545014155113.

It is not a de Polignac number, because 311551410545121 - 2¹⁸ = 311551410282977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311551410545121.

It is not an unprimeable number, because it can be changed into a prime (311551410545161) 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, 169575010 + ... + 171402411.

It is an arithmetic number, because the mean of its divisors is an integer number (26147512628648).

Almost surely, 2^{311551410545121} is an apocalyptic number.

It is an amenable number.

311551410545121 is a deficient number, since it is larger than the sum of its proper divisors (106808791513247).

311551410545121 is a wasteful number, since it uses less digits than its factorization.

311551410545121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340979592.

The product of its (nonzero) digits is 60000, while the sum is 39.

The spelling of 311551410545121 in words is "three hundred eleven trillion, five hundred fifty-one billion, four hundred ten million, five hundred forty-five thousand, one hundred twenty-one".