31492730093 has 8 divisors (see below), whose sum is σ = 34437705120. Its totient is φ = 28561421680.

The previous prime is 31492730077. The next prime is 31492730099. The reversal of 31492730093 is 39003729413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31492730093 - 2⁴ = 31492730077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31492730093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31492730099) 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, 3411830 + ... + 3421047.

It is an arithmetic number, because the mean of its divisors is an integer number (4304713140).

Almost surely, 2^31492730093 is an apocalyptic number.

It is an amenable number.

31492730093 is a deficient number, since it is larger than the sum of its proper divisors (2944975027).

31492730093 is a wasteful number, since it uses less digits than its factorization.

31492730093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833307.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 31492730093 in words is "thirty-one billion, four hundred ninety-two million, seven hundred thirty thousand, ninety-three".