31343342494 has 8 divisors (see below), whose sum is σ = 47716730568. Its totient is φ = 15437765640.

The previous prime is 31343342479. The next prime is 31343342521. The reversal of 31343342494 is 49424334313.

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

It is a super-2 number, since 2×31343342494² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116952637 + ... + 116952904.

It is an arithmetic number, because the mean of its divisors is an integer number (5964591321).

Almost surely, 2^31343342494 is an apocalyptic number.

31343342494 is a deficient number, since it is larger than the sum of its proper divisors (16373388074).

31343342494 is a wasteful number, since it uses less digits than its factorization.

31343342494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233905610.

The product of its digits is 373248, while the sum is 40.

The spelling of 31343342494 in words is "thirty-one billion, three hundred forty-three million, three hundred forty-two thousand, four hundred ninety-four".