31331310053 has 2 divisors, whose sum is σ = 31331310054. Its totient is φ = 31331310052.

The previous prime is 31331310041. The next prime is 31331310067. The reversal of 31331310053 is 35001313313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19649591329 + 11681718724 = 140177^2 + 108082^2 .

It is a cyclic number.

It is not a de Polignac number, because 31331310053 - 2²² = 31327115749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31331313053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15665655026 + 15665655027.

It is an arithmetic number, because the mean of its divisors is an integer number (15665655027).

Almost surely, 2^31331310053 is an apocalyptic number.

It is an amenable number.

31331310053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31331310053 is an equidigital number, since it uses as much as digits as its factorization.

31331310053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 23.

Adding to 31331310053 its reverse (35001313313), we get a palindrome (66332623366).

The spelling of 31331310053 in words is "thirty-one billion, three hundred thirty-one million, three hundred ten thousand, fifty-three".