231313120101 has 12 divisors (see below), whose sum is σ = 381850230112. Its totient is φ = 132178925736.

The previous prime is 231313120043. The next prime is 231313120139. The reversal of 231313120101 is 101021313132.

231313120101 is a `hidden beast` number, since 231 + 313 + 1 + 20 + 101 = 666.

It is not a de Polignac number, because 231313120101 - 2¹¹ = 231313118053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313120151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835818351 + ... + 1835818476.

Almost surely, 2^231313120101 is an apocalyptic number.

231313120101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231313120101 is a deficient number, since it is larger than the sum of its proper divisors (150537110011).

231313120101 is a wasteful number, since it uses less digits than its factorization.

231313120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671636840 (or 3671636837 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231313120101 its reverse (101021313132), we get a palindrome (332334433233).

The spelling of 231313120101 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred twenty thousand, one hundred one".