10161031252 has 12 divisors (see below), whose sum is σ = 18394970580. Its totient is φ = 4905325376.

The previous prime is 10161031247. The next prime is 10161031277. The reversal of 10161031252 is 25213016101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3231467716 + 6929563536 = 56846^2 + 83244^2 .

It is a super-2 number, since 2×10161031252² (a number of 21 digits) contains 22 as substring.

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, 43797433 + ... + 43797664.

It is an arithmetic number, because the mean of its divisors is an integer number (1532914215).

Almost surely, 2^10161031252 is an apocalyptic number.

It is an amenable number.

10161031252 is a deficient number, since it is larger than the sum of its proper divisors (8233939328).

10161031252 is a wasteful number, since it uses less digits than its factorization.

10161031252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87595130 (or 87595128 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10161031252 its reverse (25213016101), we get a palindrome (35374047353).

The spelling of 10161031252 in words is "ten billion, one hundred sixty-one million, thirty-one thousand, two hundred fifty-two".