31746456242 has 30 divisors (see below), whose sum is σ = 50409641133. Its totient is φ = 14994706824.

The previous prime is 31746456239. The next prime is 31746456289. The reversal of 31746456242 is 24265464713.

It can be written as a sum of positive squares in 2 ways, for example, as 29900980561 + 1845475681 = 172919^2 + 42959^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=125989.

It is a junction number, because it is equal to n+sod(n) for n = 31746456193 and 31746456202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 90963884 + ... + 90964232.

Almost surely, 2^31746456242 is an apocalyptic number.

31746456242 is a deficient number, since it is larger than the sum of its proper divisors (18663184891).

31746456242 is an frugal number, since it uses more digits than its factorization.

31746456242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 370 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The spelling of 31746456242 in words is "thirty-one billion, seven hundred forty-six million, four hundred fifty-six thousand, two hundred forty-two".