31063693944820 has 12 divisors (see below), whose sum is σ = 65233757284164. Its totient is φ = 12425477577920.

The previous prime is 31063693944757. The next prime is 31063693944841. The reversal of 31063693944820 is 2844939636013.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18015372780304 + 13048321164516 = 4244452^2 + 3612246^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776592348601 + ... + 776592348640.

It is an arithmetic number, because the mean of its divisors is an integer number (5436146440347).

Almost surely, 2^{31063693944820} is an apocalyptic number.

It is an amenable number.

31063693944820 is an abundant number, since it is smaller than the sum of its proper divisors (34170063339344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31063693944820 is a wasteful number, since it uses less digits than its factorization.

31063693944820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553184697250 (or 1553184697248 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 58.

The spelling of 31063693944820 in words is "thirty-one trillion, sixty-three billion, six hundred ninety-three million, nine hundred forty-four thousand, eight hundred twenty".