231300133131321 has 6 divisors (see below), whose sum is σ = 334100192300810. Its totient is φ = 154200088754208.

The previous prime is 231300133131311. The next prime is 231300133131337. The reversal of 231300133131321 is 123131331003132.

231300133131321 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 0 + 0 + 1 + 331 + 3 + 1 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213529861500921 + 17770271630400 = 14612661^2 + 4215480^2 .

It is not a de Polignac number, because 231300133131321 - 2¹⁵ = 231300133098553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231300133131311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12850007396176 + ... + 12850007396193.

Almost surely, 2^{231300133131321} is an apocalyptic number.

It is an amenable number.

231300133131321 is a deficient number, since it is larger than the sum of its proper divisors (102800059169489).

231300133131321 is a wasteful number, since it uses less digits than its factorization.

231300133131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25700014792375 (or 25700014792372 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 231300133131321 its reverse (123131331003132), we get a palindrome (354431464134453).

The spelling of 231300133131321 in words is "two hundred thirty-one trillion, three hundred billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred twenty-one".