31828045874 has 4 divisors (see below), whose sum is σ = 47742068814. Its totient is φ = 15914022936.

The previous prime is 31828045861. The next prime is 31828045883. The reversal of 31828045874 is 47854082813.

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

It can be written as a sum of positive squares in only one way, i.e., 27409120249 + 4418925625 = 165557^2 + 66475^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7957011467 + ... + 7957011470.

Almost surely, 2^31828045874 is an apocalyptic number.

31828045874 is a deficient number, since it is larger than the sum of its proper divisors (15914022940).

31828045874 is a wasteful number, since it uses less digits than its factorization.

31828045874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15914022939.

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 31828045874 in words is "thirty-one billion, eight hundred twenty-eight million, forty-five thousand, eight hundred seventy-four".