631625262142 has 16 divisors (see below), whose sum is σ = 1085486388192. Its totient is φ = 270021484800.

The previous prime is 631625262133. The next prime is 631625262143. The reversal of 631625262142 is 241262526136.

It is a happy number.

631625262142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 631625262095 and 631625262104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631625262143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56248863 + ... + 56260090.

It is an arithmetic number, because the mean of its divisors is an integer number (67842899262).

Almost surely, 2^631625262142 is an apocalyptic number.

631625262142 is a deficient number, since it is larger than the sum of its proper divisors (453861126050).

631625262142 is a wasteful number, since it uses less digits than its factorization.

631625262142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112509363.

The product of its digits is 207360, while the sum is 40.

Adding to 631625262142 its reverse (241262526136), we get a palindrome (872887788278).

The spelling of 631625262142 in words is "six hundred thirty-one billion, six hundred twenty-five million, two hundred sixty-two thousand, one hundred forty-two".