131504213401 has 12 divisors (see below), whose sum is σ = 144693130176. Its totient is φ = 119427560120.

The previous prime is 131504213341. The next prime is 131504213411. The reversal of 131504213401 is 104312405131.

It is not a de Polignac number, because 131504213401 - 2²⁹ = 130967342489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131504213411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433861 + ... + 671746.

It is an arithmetic number, because the mean of its divisors is an integer number (12057760848).

Almost surely, 2^131504213401 is an apocalyptic number.

131504213401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131504213401 is a deficient number, since it is larger than the sum of its proper divisors (13188916775).

131504213401 is a wasteful number, since it uses less digits than its factorization.

131504213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106612 (or 1106601 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 131504213401 its reverse (104312405131), we get a palindrome (235816618532).

The spelling of 131504213401 in words is "one hundred thirty-one billion, five hundred four million, two hundred thirteen thousand, four hundred one".