31949065223 has 8 divisors (see below), whose sum is σ = 32016766080. Its totient is φ = 31881419640.

The previous prime is 31949065219. The next prime is 31949065237. The reversal of 31949065223 is 32256094913.

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

It is a cyclic number.

It is not a de Polignac number, because 31949065223 - 2² = 31949065219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31949065523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266548 + ... + 1291526.

It is an arithmetic number, because the mean of its divisors is an integer number (4002095760).

Almost surely, 2^31949065223 is an apocalyptic number.

31949065223 is a deficient number, since it is larger than the sum of its proper divisors (67700857).

31949065223 is a wasteful number, since it uses less digits than its factorization.

31949065223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27637.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 31949065223 in words is "thirty-one billion, nine hundred forty-nine million, sixty-five thousand, two hundred twenty-three".