5211515431131 has 64 divisors (see below), whose sum is σ = 7773150873600. Its totient is φ = 3086492774400.

The previous prime is 5211515431099. The next prime is 5211515431181. The reversal of 5211515431131 is 1311345151125.

5211515431131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5211515431131 - 2⁵ = 5211515431099 is a prime.

It is a super-2 number, since 2×5211515431131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5211515431092 and 5211515431101.

It is not an unprimeable number, because it can be changed into a prime (5211515431181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 330022846 + ... + 330038636.

It is an arithmetic number, because the mean of its divisors is an integer number (121455482400).

Almost surely, 2^{5211515431131} is an apocalyptic number.

5211515431131 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5211515431131 is a deficient number, since it is larger than the sum of its proper divisors (2561635442469).

5211515431131 is a wasteful number, since it uses less digits than its factorization.

5211515431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17060.

The product of its digits is 9000, while the sum is 33.

The spelling of 5211515431131 in words is "five trillion, two hundred eleven billion, five hundred fifteen million, four hundred thirty-one thousand, one hundred thirty-one".