131020354205510 has 256 divisors, whose sum is σ = 307554664919040. Its totient is φ = 38967774658560.

The previous prime is 131020354205509. The next prime is 131020354205519. The reversal of 131020354205510 is 15502453020131.

It is a super-2 number, since 2×131020354205510² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020354205519) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17779933106 + ... + 17779940474.

It is an arithmetic number, because the mean of its divisors is an integer number (1201385409840).

Almost surely, 2^{131020354205510} is an apocalyptic number.

131020354205510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131020354205510 is an abundant number, since it is smaller than the sum of its proper divisors (176534310713530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131020354205510 is a wasteful number, since it uses less digits than its factorization.

131020354205510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 131020354205510 in words is "one hundred thirty-one trillion, twenty billion, three hundred fifty-four million, two hundred five thousand, five hundred ten".