31314263243 has 8 divisors (see below), whose sum is σ = 32217739728. Its totient is φ = 30413794464.

The previous prime is 31314263207. The next prime is 31314263263. The reversal of 31314263243 is 34236241313.

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

It is a cyclic number.

It is not a de Polignac number, because 31314263243 - 2¹² = 31314259147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31314263263) 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, 730796 + ... + 772457.

It is an arithmetic number, because the mean of its divisors is an integer number (4027217466).

Almost surely, 2^31314263243 is an apocalyptic number.

31314263243 is a deficient number, since it is larger than the sum of its proper divisors (903476485).

31314263243 is a wasteful number, since it uses less digits than its factorization.

31314263243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503853.

The product of its digits is 31104, while the sum is 32.

The spelling of 31314263243 in words is "thirty-one billion, three hundred fourteen million, two hundred sixty-three thousand, two hundred forty-three".