131403352510553 has 4 divisors (see below), whose sum is σ = 139132961481780. Its totient is φ = 123673743539328.

The previous prime is 131403352510541. The next prime is 131403352510583. The reversal of 131403352510553 is 355015253304131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97887219077209 + 33516133433344 = 9893797^2 + 5789312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403352510553 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 131403352510553.

It is not an unprimeable number, because it can be changed into a prime (131403352510523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3864804485588 + ... + 3864804485621.

It is an arithmetic number, because the mean of its divisors is an integer number (34783240370445).

Almost surely, 2^{131403352510553} is an apocalyptic number.

It is an amenable number.

131403352510553 is a deficient number, since it is larger than the sum of its proper divisors (7729608971227).

131403352510553 is an equidigital number, since it uses as much as digits as its factorization.

131403352510553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729608971226.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 131403352510553 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred fifty-two million, five hundred ten thousand, five hundred fifty-three".