631403566342 has 16 divisors (see below), whose sum is σ = 961271384112. Its totient is φ = 310980067200.

The previous prime is 631403566337. The next prime is 631403566397. The reversal of 631403566342 is 243665304136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6193978 + ... + 6295090.

It is an arithmetic number, because the mean of its divisors is an integer number (60079461507).

Almost surely, 2^631403566342 is an apocalyptic number.

631403566342 is a deficient number, since it is larger than the sum of its proper divisors (329867817770).

631403566342 is a wasteful number, since it uses less digits than its factorization.

631403566342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147783.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 631403566342 in words is "six hundred thirty-one billion, four hundred three million, five hundred sixty-six thousand, three hundred forty-two".