12331201031 has 6 divisors (see below), whose sum is σ = 12624644160. Its totient is φ = 12044427108.

The previous prime is 12331201019. The next prime is 12331201061. The reversal of 12331201031 is 13010213321.

It is a de Polignac number, because none of the positive numbers 2^k-12331201031 is a prime.

It is a super-2 number, since 2×12331201031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331201061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3332711 + ... + 3336408.

It is an arithmetic number, because the mean of its divisors is an integer number (2104107360).

Almost surely, 2^12331201031 is an apocalyptic number.

12331201031 is a deficient number, since it is larger than the sum of its proper divisors (293443129).

12331201031 is an frugal number, since it uses more digits than its factorization.

12331201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669205 (or 6669162 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12331201031 its reverse (13010213321), we get a palindrome (25341414352).

The spelling of 12331201031 in words is "twelve billion, three hundred thirty-one million, two hundred one thousand, thirty-one".