131000557305705 has 32 divisors (see below), whose sum is σ = 209816502215040. Its totient is φ = 69795100469760.

The previous prime is 131000557305703. The next prime is 131000557305743. The reversal of 131000557305705 is 507503755000131.

It is not a de Polignac number, because 131000557305705 - 2¹ = 131000557305703 is a prime.

It is a super-2 number, since 2×131000557305705² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131000557305703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327832309 + ... + 328231661.

It is an arithmetic number, because the mean of its divisors is an integer number (6556765694220).

Almost surely, 2^{131000557305705} is an apocalyptic number.

131000557305705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131000557305705 is a deficient number, since it is larger than the sum of its proper divisors (78815944909335).

131000557305705 is a wasteful number, since it uses less digits than its factorization.

131000557305705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421801.

The product of its (nonzero) digits is 275625, while the sum is 42.

The spelling of 131000557305705 in words is "one hundred thirty-one trillion, five hundred fifty-seven million, three hundred five thousand, seven hundred five".