12311102031 has 8 divisors (see below), whose sum is σ = 16473219504. Its totient is φ = 8178192960.

The previous prime is 12311101963. The next prime is 12311102053. The reversal of 12311102031 is 13020111321.

It is a happy number.

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

It is not a de Polignac number, because 12311102031 - 2⁷ = 12311101903 is a prime.

It is a super-2 number, since 2×12311102031² (a number of 21 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 12311102031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311102081) 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, 7301116 + ... + 7302801.

It is an arithmetic number, because the mean of its divisors is an integer number (2059152438).

Almost surely, 2^12311102031 is an apocalyptic number.

12311102031 is a deficient number, since it is larger than the sum of its proper divisors (4162117473).

12311102031 is a wasteful number, since it uses less digits than its factorization.

12311102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14604201.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12311102031 its reverse (13020111321), we get a palindrome (25331213352).

The spelling of 12311102031 in words is "twelve billion, three hundred eleven million, one hundred two thousand, thirty-one".