131022301252 has 24 divisors (see below), whose sum is σ = 237690835200. Its totient is φ = 63120068256.

The previous prime is 131022301219. The next prime is 131022301253. The reversal of 131022301252 is 252103220131.

It is not an unprimeable number, because it can be changed into a prime (131022301253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123458 + ... + 1234585.

It is an arithmetic number, because the mean of its divisors is an integer number (9903784800).

Almost surely, 2^131022301252 is an apocalyptic number.

It is an amenable number.

131022301252 is a deficient number, since it is larger than the sum of its proper divisors (106668533948).

131022301252 is a wasteful number, since it uses less digits than its factorization.

131022301252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358555 (or 2358553 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 131022301252 its reverse (252103220131), we get a palindrome (383125521383).

The spelling of 131022301252 in words is "one hundred thirty-one billion, twenty-two million, three hundred one thousand, two hundred fifty-two".