631453312034 has 4 divisors (see below), whose sum is σ = 947179968054. Its totient is φ = 315726656016.

The previous prime is 631453311989. The next prime is 631453312051. The reversal of 631453312034 is 430213354136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 335881679809 + 295571632225 = 579553^2 + 543665^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 631453311985 and 631453312003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157863328007 + ... + 157863328010.

Almost surely, 2^631453312034 is an apocalyptic number.

631453312034 is a deficient number, since it is larger than the sum of its proper divisors (315726656020).

631453312034 is a wasteful number, since it uses less digits than its factorization.

631453312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315726656019.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 631453312034 in words is "six hundred thirty-one billion, four hundred fifty-three million, three hundred twelve thousand, thirty-four".