31343312301 has 32 divisors (see below), whose sum is σ = 50582568960. Its totient is φ = 16852958976.

The previous prime is 31343312281. The next prime is 31343312393. The reversal of 31343312301 is 10321334313.

It is a happy number.

It is not a de Polignac number, because 31343312301 - 2¹¹ = 31343310253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343312401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2151520 + ... + 2166038.

It is an arithmetic number, because the mean of its divisors is an integer number (1580705280).

Almost surely, 2^31343312301 is an apocalyptic number.

It is an amenable number.

31343312301 is a deficient number, since it is larger than the sum of its proper divisors (19239256659).

31343312301 is a wasteful number, since it uses less digits than its factorization.

31343312301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20593.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31343312301 its reverse (10321334313), we get a palindrome (41664646614).

The spelling of 31343312301 in words is "thirty-one billion, three hundred forty-three million, three hundred twelve thousand, three hundred one".