31405452053 has 2 divisors, whose sum is σ = 31405452054. Its totient is φ = 31405452052.

The previous prime is 31405451989. The next prime is 31405452077. The reversal of 31405452053 is 35025450413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17800095889 + 13605356164 = 133417^2 + 116642^2 .

It is a cyclic number.

It is not a de Polignac number, because 31405452053 - 2⁶ = 31405451989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31405452553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15702726026 + 15702726027.

It is an arithmetic number, because the mean of its divisors is an integer number (15702726027).

Almost surely, 2^31405452053 is an apocalyptic number.

It is an amenable number.

31405452053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31405452053 is an equidigital number, since it uses as much as digits as its factorization.

31405452053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 31405452053 in words is "thirty-one billion, four hundred five million, four hundred fifty-two thousand, fifty-three".