31322012113001 has 4 divisors (see below), whose sum is σ = 31322287200900. Its totient is φ = 31321737025104.

The previous prime is 31322012112967. The next prime is 31322012113009. The reversal of 31322012113001 is 10031121022313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4653835425625 + 26668176687376 = 2157275^2 + 5164124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31322012113001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322012113009) 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, 137373086 + ... + 137600903.

It is an arithmetic number, because the mean of its divisors is an integer number (7830571800225).

Almost surely, 2^{31322012113001} is an apocalyptic number.

It is an amenable number.

31322012113001 is a deficient number, since it is larger than the sum of its proper divisors (275087899).

31322012113001 is a wasteful number, since it uses less digits than its factorization.

31322012113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275087898.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31322012113001 its reverse (10031121022313), we get a palindrome (41353133135314).

The spelling of 31322012113001 in words is "thirty-one trillion, three hundred twenty-two billion, twelve million, one hundred thirteen thousand, one".