31000253010164 has 12 divisors (see below), whose sum is σ = 54250579698084. Its totient is φ = 15500087382144.

The previous prime is 31000253010163. The next prime is 31000253010239. The reversal of 31000253010164 is 46101035200013.

It can be written as a sum of positive squares in 2 ways, for example, as 22311376674064 + 8688876336100 = 4723492^2 + 2947690^2 .

It is a super-2 number, since 2×31000253010164² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000253010163) 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, 7960229 + ... + 11196684.

It is an arithmetic number, because the mean of its divisors is an integer number (4520881641507).

Almost surely, 2^{31000253010164} is an apocalyptic number.

It is an amenable number.

31000253010164 is a deficient number, since it is larger than the sum of its proper divisors (23250326687920).

31000253010164 is a wasteful number, since it uses less digits than its factorization.

31000253010164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19561474 (or 19561472 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31000253010164 its reverse (46101035200013), we get a palindrome (77101288210177).

The spelling of 31000253010164 in words is "thirty-one trillion, two hundred fifty-three million, ten thousand, one hundred sixty-four".