31453012545137 has 2 divisors, whose sum is σ = 31453012545138. Its totient is φ = 31453012545136.

The previous prime is 31453012545121. The next prime is 31453012545167. The reversal of 31453012545137 is 73154521035413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27686633952481 + 3766378592656 = 5261809^2 + 1940716^2 .

It is a cyclic number.

It is not a de Polignac number, because 31453012545137 - 2⁴ = 31453012545121 is a prime.

It is not a weakly prime, because it can be changed into another prime (31453012545167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15726506272568 + 15726506272569.

It is an arithmetic number, because the mean of its divisors is an integer number (15726506272569).

Almost surely, 2^{31453012545137} is an apocalyptic number.

It is an amenable number.

31453012545137 is a deficient number, since it is larger than the sum of its proper divisors (1).

31453012545137 is an equidigital number, since it uses as much as digits as its factorization.

31453012545137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 31453012545137 in words is "thirty-one trillion, four hundred fifty-three billion, twelve million, five hundred forty-five thousand, one hundred thirty-seven".