231033103131 has 8 divisors (see below), whose sum is σ = 308430645264. Its totient is φ = 153828814880.

The previous prime is 231033103127. The next prime is 231033103139. The reversal of 231033103131 is 131301330132.

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

It is a cyclic number.

It is not a de Polignac number, because 231033103131 - 2² = 231033103127 is a prime.

It is a super-2 number, since 2×231033103131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231033103098 and 231033103107.

It is not an unprimeable number, because it can be changed into a prime (231033103139) 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, 48310680 + ... + 48315461.

It is an arithmetic number, because the mean of its divisors is an integer number (38553830658).

Almost surely, 2^231033103131 is an apocalyptic number.

231033103131 is a deficient number, since it is larger than the sum of its proper divisors (77397542133).

231033103131 is an equidigital number, since it uses as much as digits as its factorization.

231033103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96626941.

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

Adding to 231033103131 its reverse (131301330132), we get a palindrome (362334433263).

The spelling of 231033103131 in words is "two hundred thirty-one billion, thirty-three million, one hundred three thousand, one hundred thirty-one".