31374426 has 8 divisors (see below), whose sum is σ = 62748864. Its totient is φ = 10458140.

The previous prime is 31374407. The next prime is 31374439. The reversal of 31374426 is 62447313.

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

31374426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31374393 and 31374402.

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, 2614530 + ... + 2614541.

It is an arithmetic number, because the mean of its divisors is an integer number (7843608).

Almost surely, 2^31374426 is an apocalyptic number.

31374426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31374426 is a wasteful number, since it uses less digits than its factorization.

31374426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229076.

The product of its digits is 12096, while the sum is 30.

The square root of 31374426 is about 5601.2878876201. The cubic root of 31374426 is about 315.3977540279.

The spelling of 31374426 in words is "thirty-one million, three hundred seventy-four thousand, four hundred twenty-six".