131022452 has 24 divisors (see below), whose sum is σ = 252618912. Its totient is φ = 58964000.

The previous prime is 131022443. The next prime is 131022473. The reversal of 131022452 is 254220131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10298 + ... + 19185.

It is an arithmetic number, because the mean of its divisors is an integer number (10525788).

Almost surely, 2^131022452 is an apocalyptic number.

It is an amenable number.

131022452 is a deficient number, since it is larger than the sum of its proper divisors (121596460).

131022452 is a wasteful number, since it uses less digits than its factorization.

131022452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29599 (or 29597 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 131022452 is about 11446.5039204117. The cubic root of 131022452 is about 507.9043209558.

Adding to 131022452 its reverse (254220131), we get a palindrome (385242583).

The spelling of 131022452 in words is "one hundred thirty-one million, twenty-two thousand, four hundred fifty-two".