1552162131 has 24 divisors (see below), whose sum is σ = 2429882000. Its totient is φ = 949081536.

The previous prime is 1552162111. The next prime is 1552162151. The reversal of 1552162131 is 1312612551.

1552162131 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 1 + 621 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (1552162111) and next prime (1552162151).

It is not a de Polignac number, because 1552162131 - 2²¹ = 1550064979 is a prime.

It is a super-2 number, since 2×1552162131² = 4818414561820922322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1552162095 and 1552162104.

It is not an unprimeable number, because it can be changed into a prime (1552162111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23881 + ... + 60618.

Almost surely, 2^1552162131 is an apocalyptic number.

1552162131 is a deficient number, since it is larger than the sum of its proper divisors (877719869).

1552162131 is a wasteful number, since it uses less digits than its factorization.

1552162131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84675 (or 84672 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1552162131 is about 39397.4888920601. The cubic root of 1552162131 is about 1157.8323895866.

Adding to 1552162131 its reverse (1312612551), we get a palindrome (2864774682).

The spelling of 1552162131 in words is "one billion, five hundred fifty-two million, one hundred sixty-two thousand, one hundred thirty-one".