31073645491876 has 27 divisors (see below), whose sum is σ = 58883913514881. Its totient is φ = 14341615642224.

The previous prime is 31073645491859. The next prime is 31073645491897. The reversal of 31073645491876 is 67819454637013.

It is a happy number.

The square root of 31073645491876 is 5574374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4596693120100 + 26476952371776 = 2143990^2 + 5145576^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 144826525 + ... + 145040923.

Almost surely, 2^{31073645491876} is an apocalyptic number.

31073645491876 is the 5574374-th square number.

It is an amenable number.

31073645491876 is a deficient number, since it is larger than the sum of its proper divisors (27810268023005).

31073645491876 is an frugal number, since it uses more digits than its factorization.

31073645491876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428828 (or 214414 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 31073645491876 in words is "thirty-one trillion, seventy-three billion, six hundred forty-five million, four hundred ninety-one thousand, eight hundred seventy-six".