131000552 has 16 divisors (see below), whose sum is σ = 246035940. Its totient is φ = 65390976.

The previous prime is 131000549. The next prime is 131000557. The reversal of 131000552 is 255000131.

It can be written as a sum of positive squares in 2 ways, for example, as 130736356 + 264196 = 11434^2 + 514^2 .

It is a super-2 number, since 2×131000552² = 34322289248609408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000552.

It is not an unprimeable number, because it can be changed into a prime (131000557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8453 + ... + 18260.

Almost surely, 2^131000552 is an apocalyptic number.

It is an amenable number.

131000552 is a deficient number, since it is larger than the sum of its proper divisors (115035388).

131000552 is a wasteful number, since it uses less digits than its factorization.

131000552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27332 (or 27328 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 131000552 is about 11445.5472564662. The cubic root of 131000552 is about 507.8760211638.

Adding to 131000552 its reverse (255000131), we get a palindrome (386000683).

The spelling of 131000552 in words is "one hundred thirty-one million, five hundred fifty-two", and thus it is an aban number.