231313030131 has 8 divisors (see below), whose sum is σ = 308610502864. Its totient is φ = 154112122080.

The previous prime is 231313030063. The next prime is 231313030153. The reversal of 231313030131 is 131030313132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231313030131 - 2³¹ = 229165546483 is a prime.

It is a super-2 number, since 2×231313030131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231313030098 and 231313030107.

It is not an unprimeable number, because it can be changed into a prime (231313032131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24135580 + ... + 24145161.

It is an arithmetic number, because the mean of its divisors is an integer number (38576312858).

Almost surely, 2^231313030131 is an apocalyptic number.

231313030131 is a deficient number, since it is larger than the sum of its proper divisors (77297472733).

231313030131 is a wasteful number, since it uses less digits than its factorization.

231313030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48282341.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 231313030131 its reverse (131030313132), we get a palindrome (362343343263).

The spelling of 231313030131 in words is "two hundred thirty-one billion, three hundred thirteen million, thirty thousand, one hundred thirty-one".