12312322101031 has 16 divisors (see below), whose sum is σ = 12722181728256. Its totient is φ = 11908099528416.

The previous prime is 12312322101011. The next prime is 12312322101071. The reversal of 12312322101031 is 13010122321321.

It is a cyclic number.

It is not a de Polignac number, because 12312322101031 - 2²³ = 12312313712423 is a prime.

It is a super-2 number, since 2×12312322101031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312322100993 and 12312322101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312322101011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48472746 + ... + 48726088.

It is an arithmetic number, because the mean of its divisors is an integer number (795136358016).

Almost surely, 2^{12312322101031} is an apocalyptic number.

12312322101031 is a deficient number, since it is larger than the sum of its proper divisors (409859627225).

12312322101031 is a wasteful number, since it uses less digits than its factorization.

12312322101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264462.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12312322101031 its reverse (13010122321321), we get a palindrome (25322444422352).

The spelling of 12312322101031 in words is "twelve trillion, three hundred twelve billion, three hundred twenty-two million, one hundred one thousand, thirty-one".