231000313213331 has 8 divisors (see below), whose sum is σ = 238966587512400. Its totient is φ = 223034088664800.

The previous prime is 231000313213303. The next prime is 231000313213337. The reversal of 231000313213331 is 133312313000132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231000313213331 is a prime.

It is a super-2 number, since 2×231000313213331² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231000313213331.

It is not an unprimeable number, because it can be changed into a prime (231000313213337) 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, 2866316 + ... + 21684473.

It is an arithmetic number, because the mean of its divisors is an integer number (29870823439050).

Almost surely, 2^{231000313213331} is an apocalyptic number.

231000313213331 is a deficient number, since it is larger than the sum of its proper divisors (7966274299069).

231000313213331 is a wasteful number, since it uses less digits than its factorization.

231000313213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24875269.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 231000313213331 its reverse (133312313000132), we get a palindrome (364312626213463).

The spelling of 231000313213331 in words is "two hundred thirty-one trillion, three hundred thirteen million, two hundred thirteen thousand, three hundred thirty-one".