631232426 has 16 divisors (see below), whose sum is σ = 1043156448. Its totient is φ = 284082000.

The previous prime is 631232377. The next prime is 631232429. The reversal of 631232426 is 624232136.

It is not an unprimeable number, because it can be changed into a prime (631232429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139820 + ... + 144263.

It is an arithmetic number, because the mean of its divisors is an integer number (65197278).

Almost surely, 2^631232426 is an apocalyptic number.

631232426 is a deficient number, since it is larger than the sum of its proper divisors (411924022).

631232426 is a wasteful number, since it uses less digits than its factorization.

631232426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284197.

The product of its digits is 10368, while the sum is 29.

The square root of 631232426 is about 25124.3393146964. The cubic root of 631232426 is about 857.8205250886.

The spelling of 631232426 in words is "six hundred thirty-one million, two hundred thirty-two thousand, four hundred twenty-six".