31350809753 has 2 divisors, whose sum is σ = 31350809754. Its totient is φ = 31350809752.

The previous prime is 31350809701. The next prime is 31350809759. The reversal of 31350809753 is 35790805313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30664212544 + 686597209 = 175112^2 + 26203^2 .

It is a cyclic number.

It is not a de Polignac number, because 31350809753 - 2⁶ = 31350809689 is a prime.

It is not a weakly prime, because it can be changed into another prime (31350809759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15675404876 + 15675404877.

It is an arithmetic number, because the mean of its divisors is an integer number (15675404877).

Almost surely, 2^31350809753 is an apocalyptic number.

It is an amenable number.

31350809753 is a deficient number, since it is larger than the sum of its proper divisors (1).

31350809753 is an equidigital number, since it uses as much as digits as its factorization.

31350809753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 31350809753 in words is "thirty-one billion, three hundred fifty million, eight hundred nine thousand, seven hundred fifty-three".