12311415452031 has 64 divisors (see below), whose sum is σ = 18942396134400. Its totient is φ = 7067393980416.

The previous prime is 12311415452009. The next prime is 12311415452057. The reversal of 12311415452031 is 13025451411321.

It is not a de Polignac number, because 12311415452031 - 2⁹ = 12311415451519 is a prime.

It is a super-2 number, since 2×12311415452031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12311415451983 and 12311415452001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311415452071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156705 + ... + 4964613.

It is an arithmetic number, because the mean of its divisors is an integer number (295974939600).

Almost surely, 2^{12311415452031} is an apocalyptic number.

12311415452031 is a deficient number, since it is larger than the sum of its proper divisors (6630980682369).

12311415452031 is a wasteful number, since it uses less digits than its factorization.

12311415452031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808048.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 12311415452031 its reverse (13025451411321), we get a palindrome (25336866863352).

The spelling of 12311415452031 in words is "twelve trillion, three hundred eleven billion, four hundred fifteen million, four hundred fifty-two thousand, thirty-one".