131207552 has 32 divisors (see below), whose sum is σ = 298733520. Its totient is φ = 56231424.

The previous prime is 131207543. The next prime is 131207561. The reversal of 131207552 is 255702131.

It is an interprime number because it is at equal distance from previous prime (131207543) and next prime (131207561).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72323 + ... + 74114.

Almost surely, 2^131207552 is an apocalyptic number.

It is an amenable number.

131207552 is an abundant number, since it is smaller than the sum of its proper divisors (167525968).

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

131207552 is an equidigital number, since it uses as much as digits as its factorization.

131207552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146458 (or 146446 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 131207552 is about 11454.5865049769. The cubic root of 131207552 is about 508.1433864779.

Adding to 131207552 its reverse (255702131), we get a palindrome (386909683).

The spelling of 131207552 in words is "one hundred thirty-one million, two hundred seven thousand, five hundred fifty-two".