31494992030 has 32 divisors (see below), whose sum is σ = 60394058784. Its totient is φ = 11784185856.

The previous prime is 31494991981. The next prime is 31494992033. The reversal of 31494992030 is 3029949413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31494992033) 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, 540587 + ... + 596006.

It is an arithmetic number, because the mean of its divisors is an integer number (1887314337).

Almost surely, 2^31494992030 is an apocalyptic number.

31494992030 is a deficient number, since it is larger than the sum of its proper divisors (28899066754).

31494992030 is a wasteful number, since it uses less digits than its factorization.

31494992030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136780.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 31494992030 in words is "thirty-one billion, four hundred ninety-four million, nine hundred ninety-two thousand, thirty".