131214304001021 has 16 divisors (see below), whose sum is σ = 136525437543600. Its totient is φ = 125955624173568.

The previous prime is 131214304000973. The next prime is 131214304001041. The reversal of 131214304001021 is 120100403412131.

It can be written as a sum of positive squares in 8 ways, for example, as 12110476560121 + 119103827440900 = 3480011^2 + 10913470^2 .

It is a cyclic number.

It is not a de Polignac number, because 131214304001021 - 2³⁴ = 131197124131837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131214304001041) 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, 503360765 + ... + 503621373.

It is an arithmetic number, because the mean of its divisors is an integer number (8532839846475).

Almost surely, 2^{131214304001021} is an apocalyptic number.

It is an amenable number.

131214304001021 is a deficient number, since it is larger than the sum of its proper divisors (5311133542579).

131214304001021 is a wasteful number, since it uses less digits than its factorization.

131214304001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361168.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131214304001021 its reverse (120100403412131), we get a palindrome (251314707413152).

The spelling of 131214304001021 in words is "one hundred thirty-one trillion, two hundred fourteen billion, three hundred four million, one thousand, twenty-one".