31000253010136 has 16 divisors (see below), whose sum is σ = 58150240289640. Its totient is φ = 15493522266240.

The previous prime is 31000253010079. The next prime is 31000253010151. The reversal of 31000253010136 is 63101035200013.

It is a super-2 number, since 2×31000253010136² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31000253010136.

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, 825509905 + ... + 825547456.

Almost surely, 2^{31000253010136} is an apocalyptic number.

It is an amenable number.

31000253010136 is a deficient number, since it is larger than the sum of its proper divisors (27149987279504).

31000253010136 is a wasteful number, since it uses less digits than its factorization.

31000253010136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651059714 (or 1651059710 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 31000253010136 its reverse (63101035200013), we get a palindrome (94101288210149).

The spelling of 31000253010136 in words is "thirty-one trillion, two hundred fifty-three million, ten thousand, one hundred thirty-six".