31253414152144 has 10 divisors (see below), whose sum is σ = 60553489919810. Its totient is φ = 15626707076064.

The previous prime is 31253414152043. The next prime is 31253414152193. The reversal of 31253414152144 is 44125141435213.

It can be written as a sum of positive squares in only one way, i.e., 20684413152144 + 10569001000000 = 4548012^2 + 3251000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31253414152097 and 31253414152106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976669192239 + ... + 976669192270.

It is an arithmetic number, because the mean of its divisors is an integer number (6055348991981).

Almost surely, 2^{31253414152144} is an apocalyptic number.

It is an amenable number.

31253414152144 is a deficient number, since it is larger than the sum of its proper divisors (29300075767666).

31253414152144 is a wasteful number, since it uses less digits than its factorization.

31253414152144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953338384517 (or 1953338384511 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

Adding to 31253414152144 its reverse (44125141435213), we get a palindrome (75378555587357).

The spelling of 31253414152144 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred fourteen million, one hundred fifty-two thousand, one hundred forty-four".