231312313003 has 4 divisors (see below), whose sum is σ = 231325195248. Its totient is φ = 231299430760.

The previous prime is 231312312923. The next prime is 231312313009. The reversal of 231312313003 is 300313213132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231312313003 - 2¹⁷ = 231312181931 is a prime.

It is a super-2 number, since 2×231312313003² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231312313009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6414151 + ... + 6450112.

It is an arithmetic number, because the mean of its divisors is an integer number (57831298812).

Almost surely, 2^231312313003 is an apocalyptic number.

231312313003 is a deficient number, since it is larger than the sum of its proper divisors (12882245).

231312313003 is a wasteful number, since it uses less digits than its factorization.

231312313003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12882244.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231312313003 its reverse (300313213132), we get a palindrome (531625526135).

The spelling of 231312313003 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred thirteen thousand, three".