31948343 has 12 divisors (see below), whose sum is σ = 38447640. Its totient is φ = 26438832.

The previous prime is 31948339. The next prime is 31948351. The reversal of 31948343 is 34384913.

It is not a de Polignac number, because 31948343 - 2² = 31948339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31948303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9821 + ... + 12662.

It is an arithmetic number, because the mean of its divisors is an integer number (3203970).

Almost surely, 2^31948343 is an apocalyptic number.

31948343 is a deficient number, since it is larger than the sum of its proper divisors (6499297).

31948343 is a wasteful number, since it uses less digits than its factorization.

31948343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526 (or 22519 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 31948343 is about 5652.2865284768. The cubic root of 31948343 is about 317.3092842694.

The spelling of 31948343 in words is "thirty-one million, nine hundred forty-eight thousand, three hundred forty-three".