631627142 has 8 divisors (see below), whose sum is σ = 949692432. Its totient is φ = 315063000.

The previous prime is 631627141. The next prime is 631627151. The reversal of 631627142 is 241726136.

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

It is a super-2 number, since 2×631627142² = 797905693022176328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 631627099 and 631627108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631627141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374234 + ... + 375917.

It is an arithmetic number, because the mean of its divisors is an integer number (118711554).

Almost surely, 2^631627142 is an apocalyptic number.

631627142 is a deficient number, since it is larger than the sum of its proper divisors (318065290).

631627142 is a wasteful number, since it uses less digits than its factorization.

631627142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750574.

The product of its digits is 12096, while the sum is 32.

The square root of 631627142 is about 25132.1933384255. The cubic root of 631627142 is about 857.9992891071. Note that the first 3 decimals are identical.

The spelling of 631627142 in words is "six hundred thirty-one million, six hundred twenty-seven thousand, one hundred forty-two".