31320323101 has 8 divisors (see below), whose sum is σ = 32051859840. Its totient is φ = 30588929952.

The previous prime is 31320323011. The next prime is 31320323107. The reversal of 31320323101 is 10132302313.

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

It is not a de Polignac number, because 31320323101 - 2¹⁵ = 31320290333 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 (31320323107) 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, 496521 + ... + 556033.

It is an arithmetic number, because the mean of its divisors is an integer number (4006482480).

Almost surely, 2^31320323101 is an apocalyptic number.

It is an amenable number.

31320323101 is a deficient number, since it is larger than the sum of its proper divisors (731536739).

31320323101 is a wasteful number, since it uses less digits than its factorization.

31320323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71795.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31320323101 its reverse (10132302313), we get a palindrome (41452625414).

The spelling of 31320323101 in words is "thirty-one billion, three hundred twenty million, three hundred twenty-three thousand, one hundred one".