31982951293 has 8 divisors (see below), whose sum is σ = 32893067520. Its totient is φ = 31075241040.

The previous prime is 31982951291. The next prime is 31982951383. The reversal of 31982951293 is 39215928913.

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 31982951293 - 2¹ = 31982951291 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 31982951293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31982951291) 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, 574513 + ... + 627718.

It is an arithmetic number, because the mean of its divisors is an integer number (4111633440).

Almost surely, 2^31982951293 is an apocalyptic number.

It is an amenable number.

31982951293 is a deficient number, since it is larger than the sum of its proper divisors (910116227).

31982951293 is a wasteful number, since it uses less digits than its factorization.

31982951293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202987.

The product of its digits is 1049760, while the sum is 52.

The spelling of 31982951293 in words is "thirty-one billion, nine hundred eighty-two million, nine hundred fifty-one thousand, two hundred ninety-three".