131403004013002 has 4 divisors (see below), whose sum is σ = 197104506019506. Its totient is φ = 65701502006500.

The previous prime is 131403004012939. The next prime is 131403004013063. The reversal of 131403004013002 is 200310400304131.

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

It can be written as a sum of positive squares in only one way, i.e., 100692775707241 + 30710228305761 = 10034579^2 + 5541681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32850751003249 + ... + 32850751003252.

Almost surely, 2^{131403004013002} is an apocalyptic number.

131403004013002 is a deficient number, since it is larger than the sum of its proper divisors (65701502006504).

131403004013002 is an equidigital number, since it uses as much as digits as its factorization.

131403004013002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65701502006503.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131403004013002 its reverse (200310400304131), we get a palindrome (331713404317133).

The spelling of 131403004013002 in words is "one hundred thirty-one trillion, four hundred three billion, four million, thirteen thousand, two".