31455553453 has 12 divisors (see below), whose sum is σ = 32760754740. Its totient is φ = 30166430336.

The previous prime is 31455553433. The next prime is 31455553483. The reversal of 31455553453 is 35435555413.

It can be written as a sum of positive squares in 6 ways, for example, as 76265289 + 31379288164 = 8733^2 + 177142^2 .

It is not a de Polignac number, because 31455553453 - 2²¹ = 31453456301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31455553403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619401 + ... + 668257.

It is an arithmetic number, because the mean of its divisors is an integer number (2730062895).

Almost surely, 2^31455553453 is an apocalyptic number.

It is an amenable number.

31455553453 is a deficient number, since it is larger than the sum of its proper divisors (1305201287).

31455553453 is an equidigital number, since it uses as much as digits as its factorization.

31455553453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49184 (or 49035 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 43.

The spelling of 31455553453 in words is "thirty-one billion, four hundred fifty-five million, five hundred fifty-three thousand, four hundred fifty-three".