31703685044 has 6 divisors (see below), whose sum is σ = 55481448834. Its totient is φ = 15851842520.

The previous prime is 31703684989. The next prime is 31703685049. The reversal of 31703685044 is 44058630713.

It can be written as a sum of positive squares in only one way, i.e., 25680062500 + 6023622544 = 160250^2 + 77612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31703684992 and 31703685010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31703685049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3962960627 + ... + 3962960634.

It is an arithmetic number, because the mean of its divisors is an integer number (9246908139).

Almost surely, 2^31703685044 is an apocalyptic number.

It is an amenable number.

31703685044 is a deficient number, since it is larger than the sum of its proper divisors (23777763790).

31703685044 is a wasteful number, since it uses less digits than its factorization.

31703685044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7925921265 (or 7925921263 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 31703685044 in words is "thirty-one billion, seven hundred three million, six hundred eighty-five thousand, forty-four".