31742858730 has 64 divisors (see below), whose sum is σ = 83931520896. Its totient is φ = 7619040000.

The previous prime is 31742858729. The next prime is 31742858743. The reversal of 31742858730 is 3785824713.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31742858730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442861 + ... + 509520.

It is an arithmetic number, because the mean of its divisors is an integer number (1311430014).

Almost surely, 2^31742858730 is an apocalyptic number.

31742858730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31742858730 is an abundant number, since it is smaller than the sum of its proper divisors (52188662166).

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

31742858730 is a wasteful number, since it uses less digits than its factorization.

31742858730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952503.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 31742858730 in words is "thirty-one billion, seven hundred forty-two million, eight hundred fifty-eight thousand, seven hundred thirty".