31060185121 has 27 divisors (see below), whose sum is σ = 38407557657. Its totient is φ = 25040037120.

The previous prime is 31060185109. The next prime is 31060185127. The reversal of 31060185121 is 12158106013.

The square root of 31060185121 is 176239.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1522950625 + 29537234496 = 39025^2 + 171864^2 .

It is not a de Polignac number, because 31060185121 - 2⁵ = 31060185089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31060185121.

It is not an unprimeable number, because it can be changed into a prime (31060185127) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20971701 + ... + 20973181.

Almost surely, 2^31060185121 is an apocalyptic number.

31060185121 is the 176239-th square number.

31060185121 is the 88120-th centered octagonal number.

It is an amenable number.

31060185121 is a deficient number, since it is larger than the sum of its proper divisors (7347372536).

31060185121 is an frugal number, since it uses more digits than its factorization.

31060185121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 31060185121 in words is "thirty-one billion, sixty million, one hundred eighty-five thousand, one hundred twenty-one".