31318253341 has 4 divisors (see below), whose sum is σ = 31333176000. Its totient is φ = 31303330684.

The previous prime is 31318253333. The next prime is 31318253387. The reversal of 31318253341 is 14335281313.

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: 14335281313 = 227 ⋅63151019.

It is a cyclic number.

It is not a de Polignac number, because 31318253341 - 2³ = 31318253333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31318253297 and 31318253306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31318253041) 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, 7458181 + ... + 7462378.

It is an arithmetic number, because the mean of its divisors is an integer number (7833294000).

Almost surely, 2^31318253341 is an apocalyptic number.

It is an amenable number.

31318253341 is a deficient number, since it is larger than the sum of its proper divisors (14922659).

31318253341 is a wasteful number, since it uses less digits than its factorization.

31318253341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14922658.

The product of its digits is 25920, while the sum is 34.

The spelling of 31318253341 in words is "thirty-one billion, three hundred eighteen million, two hundred fifty-three thousand, three hundred forty-one".