31261240003394 has 4 divisors (see below), whose sum is σ = 46891860005094. Its totient is φ = 15630620001696.

The previous prime is 31261240003361. The next prime is 31261240003421. The reversal of 31261240003394 is 49330004216213.

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., 22525816422769 + 8735423580625 = 4746137^2 + 2955575^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7815310000847 + ... + 7815310000850.

Almost surely, 2^{31261240003394} is an apocalyptic number.

31261240003394 is a deficient number, since it is larger than the sum of its proper divisors (15630620001700).

31261240003394 is a wasteful number, since it uses less digits than its factorization.

31261240003394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630620001699.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 31261240003394 in words is "thirty-one trillion, two hundred sixty-one billion, two hundred forty million, three thousand, three hundred ninety-four".