12312031034 has 8 divisors (see below), whose sum is σ = 18475564320. Its totient is φ = 6153509596.

The previous prime is 12312031001. The next prime is 12312031037. The reversal of 12312031034 is 43013021321.

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

It is a super-2 number, since 2×12312031034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12312030997 and 12312031015.

It is not an unprimeable number, because it can be changed into a prime (12312031037) 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, 1246814 + ... + 1256649.

It is an arithmetic number, because the mean of its divisors is an integer number (2309445540).

Almost surely, 2^12312031034 is an apocalyptic number.

12312031034 is a deficient number, since it is larger than the sum of its proper divisors (6163533286).

12312031034 is a wasteful number, since it uses less digits than its factorization.

12312031034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505924.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12312031034 its reverse (43013021321), we get a palindrome (55325052355).

The spelling of 12312031034 in words is "twelve billion, three hundred twelve million, thirty-one thousand, thirty-four".