31348454 has 4 divisors (see below), whose sum is σ = 47022684. Its totient is φ = 15674226.

The previous prime is 31348441. The next prime is 31348501. The reversal of 31348454 is 45484313.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31348454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7837112 + ... + 7837115.

It is an arithmetic number, because the mean of its divisors is an integer number (11755671).

Almost surely, 2^31348454 is an apocalyptic number.

31348454 is a deficient number, since it is larger than the sum of its proper divisors (15674230).

31348454 is a wasteful number, since it uses less digits than its factorization.

31348454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15674229.

The product of its digits is 23040, while the sum is 32.

The square root of 31348454 is about 5598.9690122379. The cubic root of 31348454 is about 315.3107004104.

The spelling of 31348454 in words is "thirty-one million, three hundred forty-eight thousand, four hundred fifty-four".