631344140070 has 32 divisors (see below), whose sum is σ = 1731686784768. Its totient is φ = 144307231968.

The previous prime is 631344140051. The next prime is 631344140071. The reversal of 631344140070 is 70041443136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631344140071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503200124 + ... + 1503200543.

It is an arithmetic number, because the mean of its divisors is an integer number (54115212024).

Almost surely, 2^631344140070 is an apocalyptic number.

631344140070 is an abundant number, since it is smaller than the sum of its proper divisors (1100342644698).

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

631344140070 is a wasteful number, since it uses less digits than its factorization.

631344140070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006400684.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 631344140070 in words is "six hundred thirty-one billion, three hundred forty-four million, one hundred forty thousand, seventy".