31035118253 has 2 divisors, whose sum is σ = 31035118254. Its totient is φ = 31035118252.

The previous prime is 31035118249. The next prime is 31035118343. The reversal of 31035118253 is 35281153013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22619257609 + 8415860644 = 150397^2 + 91738^2 .

It is a cyclic number.

It is not a de Polignac number, because 31035118253 - 2² = 31035118249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31035118853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15517559126 + 15517559127.

It is an arithmetic number, because the mean of its divisors is an integer number (15517559127).

Almost surely, 2^31035118253 is an apocalyptic number.

It is an amenable number.

31035118253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31035118253 is an equidigital number, since it uses as much as digits as its factorization.

31035118253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 31035118253 in words is "thirty-one billion, thirty-five million, one hundred eighteen thousand, two hundred fifty-three".