631158342 has 8 divisors (see below), whose sum is σ = 1262316696. Its totient is φ = 210386112.

The previous prime is 631158323. The next prime is 631158373. The reversal of 631158342 is 243851136.

It is a sphenic number, since it is the product of 3 distinct primes.

631158342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52596523 + ... + 52596534.

It is an arithmetic number, because the mean of its divisors is an integer number (157789587).

Almost surely, 2^631158342 is an apocalyptic number.

631158342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631158342 is a wasteful number, since it uses less digits than its factorization.

631158342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105193062.

The product of its digits is 17280, while the sum is 33.

The square root of 631158342 is about 25122.8649242080. The cubic root of 631158342 is about 857.7869646760.

The spelling of 631158342 in words is "six hundred thirty-one million, one hundred fifty-eight thousand, three hundred forty-two".