31722463082 has 4 divisors (see below), whose sum is σ = 47583694626. Its totient is φ = 15861231540.

The previous prime is 31722463037. The next prime is 31722463109. The reversal of 31722463082 is 28036422713.

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., 23990602321 + 7731860761 = 154889^2 + 87931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7930615769 + ... + 7930615772.

Almost surely, 2^31722463082 is an apocalyptic number.

31722463082 is a deficient number, since it is larger than the sum of its proper divisors (15861231544).

31722463082 is a wasteful number, since it uses less digits than its factorization.

31722463082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15861231543.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 31722463082 its reverse (28036422713), we get a palindrome (59758885795).

The spelling of 31722463082 in words is "thirty-one billion, seven hundred twenty-two million, four hundred sixty-three thousand, eighty-two".