31324254120136 has 8 divisors (see below), whose sum is σ = 58732976475270. Its totient is φ = 15662127060064.

The previous prime is 31324254120119. The next prime is 31324254120149. The reversal of 31324254120136 is 63102145242313.

It can be written as a sum of positive squares in only one way, i.e., 20613361557636 + 10710892562500 = 4540194^2 + 3272750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31324254120095 and 31324254120104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957765882501 + ... + 1957765882516.

Almost surely, 2^{31324254120136} is an apocalyptic number.

It is an amenable number.

31324254120136 is a deficient number, since it is larger than the sum of its proper divisors (27408722355134).

31324254120136 is a wasteful number, since it uses less digits than its factorization.

31324254120136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915531765023 (or 3915531765019 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 31324254120136 its reverse (63102145242313), we get a palindrome (94426399362449).

The spelling of 31324254120136 in words is "thirty-one trillion, three hundred twenty-four billion, two hundred fifty-four million, one hundred twenty thousand, one hundred thirty-six".