131237614451401 has 4 divisors (see below), whose sum is σ = 132536996772804. Its totient is φ = 129938232130000.

The previous prime is 131237614451327. The next prime is 131237614451431. The reversal of 131237614451401 is 104154416732131.

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 121602425967801 + 9635188483600 = 11027349^2 + 3104060^2 .

It is a cyclic number.

It is not a de Polignac number, because 131237614451401 - 2⁹ = 131237614450889 is a prime.

It is a super-2 number, since 2×131237614451401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131237614451431) 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, 649691160550 + ... + 649691160751.

It is an arithmetic number, because the mean of its divisors is an integer number (33134249193201).

Almost surely, 2^{131237614451401} is an apocalyptic number.

It is an amenable number.

131237614451401 is a deficient number, since it is larger than the sum of its proper divisors (1299382321403).

131237614451401 is a wasteful number, since it uses less digits than its factorization.

131237614451401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299382321402.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 131237614451401 in words is "one hundred thirty-one trillion, two hundred thirty-seven billion, six hundred fourteen million, four hundred fifty-one thousand, four hundred one".