31341628 has 6 divisors (see below), whose sum is σ = 54847856. Its totient is φ = 15670812.

The previous prime is 31341623. The next prime is 31341631. The reversal of 31341628 is 82614313.

It is a junction number, because it is equal to n+sod(n) for n = 31341596 and 31341605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3917700 + ... + 3917707.

Almost surely, 2^31341628 is an apocalyptic number.

It is an amenable number.

31341628 is a deficient number, since it is larger than the sum of its proper divisors (23506228).

31341628 is a wasteful number, since it uses less digits than its factorization.

31341628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835411 (or 7835409 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 31341628 is about 5598.3594025393. The cubic root of 31341628 is about 315.2878128694.

The spelling of 31341628 in words is "thirty-one million, three hundred forty-one thousand, six hundred twenty-eight".