31101242453 has 2 divisors, whose sum is σ = 31101242454. Its totient is φ = 31101242452.

The previous prime is 31101242437. The next prime is 31101242503. The reversal of 31101242453 is 35424210113.

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., 30731141809 + 370100644 = 175303^2 + 19238^2 .

It is a cyclic number.

It is not a de Polignac number, because 31101242453 - 2⁴ = 31101242437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31101242153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550621226 + 15550621227.

It is an arithmetic number, because the mean of its divisors is an integer number (15550621227).

Almost surely, 2^31101242453 is an apocalyptic number.

It is an amenable number.

31101242453 is a deficient number, since it is larger than the sum of its proper divisors (1).

31101242453 is an equidigital number, since it uses as much as digits as its factorization.

31101242453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 31101242453 its reverse (35424210113), we get a palindrome (66525452566).

The spelling of 31101242453 in words is "thirty-one billion, one hundred one million, two hundred forty-two thousand, four hundred fifty-three".