131311011202003 has 16 divisors (see below), whose sum is σ = 139624573587840. Its totient is φ = 123142430736000.

The previous prime is 131311011201989. The next prime is 131311011202067. The reversal of 131311011202003 is 300202110113131.

It is a cyclic number.

It is not a de Polignac number, because 131311011202003 - 2²⁵ = 131310977647571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131311011272003) 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, 64783125 + ... + 66779302.

It is an arithmetic number, because the mean of its divisors is an integer number (8726535849240).

Almost surely, 2^{131311011202003} is an apocalyptic number.

131311011202003 is a deficient number, since it is larger than the sum of its proper divisors (8313562385837).

131311011202003 is a wasteful number, since it uses less digits than its factorization.

131311011202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131562978.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131311011202003 its reverse (300202110113131), we get a palindrome (431513121315134).

The spelling of 131311011202003 in words is "one hundred thirty-one trillion, three hundred eleven billion, eleven million, two hundred two thousand, three".