631412357102 has 4 divisors (see below), whose sum is σ = 947118535656. Its totient is φ = 315706178550.

The previous prime is 631412357101. The next prime is 631412357111. The reversal of 631412357102 is 201753214136.

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

It is a super-2 number, since 2×631412357102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631412357101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157853089274 + ... + 157853089277.

It is an arithmetic number, because the mean of its divisors is an integer number (236779633914).

Almost surely, 2^631412357102 is an apocalyptic number.

631412357102 is a deficient number, since it is larger than the sum of its proper divisors (315706178554).

631412357102 is a wasteful number, since it uses less digits than its factorization.

631412357102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315706178553.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 631412357102 in words is "six hundred thirty-one billion, four hundred twelve million, three hundred fifty-seven thousand, one hundred two".