31320314101 has 4 divisors (see below), whose sum is σ = 32682066912. Its totient is φ = 29958561292.

The previous prime is 31320314093. The next prime is 31320314143. The reversal of 31320314101 is 10141302313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10141302313 = 89 ⋅113947217.

It is a cyclic number.

It is not a de Polignac number, because 31320314101 - 2³ = 31320314093 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 (31320314171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680876371 + ... + 680876416.

It is an arithmetic number, because the mean of its divisors is an integer number (8170516728).

Almost surely, 2^31320314101 is an apocalyptic number.

It is an amenable number.

31320314101 is a deficient number, since it is larger than the sum of its proper divisors (1361752811).

31320314101 is a wasteful number, since it uses less digits than its factorization.

31320314101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361752810.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31320314101 its reverse (10141302313), we get a palindrome (41461616414).

The spelling of 31320314101 in words is "thirty-one billion, three hundred twenty million, three hundred fourteen thousand, one hundred one".