231202310012131 has 16 divisors (see below), whose sum is σ = 233802030578688. Its totient is φ = 228609620172000.

The previous prime is 231202310012111. The next prime is 231202310012143. The reversal of 231202310012131 is 131210013202132.

It is a cyclic number.

It is not a de Polignac number, because 231202310012131 - 2¹³ = 231202310003939 is a prime.

It is a super-2 number, since 2×231202310012131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231202310012111) 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, 232565901 + ... + 233557921.

It is an arithmetic number, because the mean of its divisors is an integer number (14612626911168).

Almost surely, 2^{231202310012131} is an apocalyptic number.

231202310012131 is a deficient number, since it is larger than the sum of its proper divisors (2599720566557).

231202310012131 is a wasteful number, since it uses less digits than its factorization.

231202310012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995562.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231202310012131 its reverse (131210013202132), we get a palindrome (362412323214263).

The spelling of 231202310012131 in words is "two hundred thirty-one trillion, two hundred two billion, three hundred ten million, twelve thousand, one hundred thirty-one".