12320150031 has 128 divisors (see below), whose sum is σ = 23451648000. Its totient is φ = 6229415808.

The previous prime is 12320150027. The next prime is 12320150071. The reversal of 12320150031 is 13005102321.

It is not a de Polignac number, because 12320150031 - 2² = 12320150027 is a prime.

It is a super-2 number, since 2×12320150031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12320149986 and 12320150013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320150071) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3549765 + ... + 3553233.

It is an arithmetic number, because the mean of its divisors is an integer number (183216000).

Almost surely, 2^12320150031 is an apocalyptic number.

12320150031 is a deficient number, since it is larger than the sum of its proper divisors (11131497969).

12320150031 is a wasteful number, since it uses less digits than its factorization.

12320150031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 12320150031 its reverse (13005102321), we get a palindrome (25325252352).

The spelling of 12320150031 in words is "twelve billion, three hundred twenty million, one hundred fifty thousand, thirty-one".