131023452252 has 48 divisors (see below), whose sum is σ = 381159136512. Its totient is φ = 34032065280.

The previous prime is 131023452227. The next prime is 131023452293. The reversal of 131023452252 is 252254320131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70899213 + ... + 70901060.

It is an arithmetic number, because the mean of its divisors is an integer number (7940815344).

Almost surely, 2^131023452252 is an apocalyptic number.

131023452252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131023452252 is an abundant number, since it is smaller than the sum of its proper divisors (250135684260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131023452252 is a wasteful number, since it uses less digits than its factorization.

131023452252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141800298 (or 141800296 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 131023452252 its reverse (252254320131), we get a palindrome (383277772383).

The spelling of 131023452252 in words is "one hundred thirty-one billion, twenty-three million, four hundred fifty-two thousand, two hundred fifty-two".