31738950125 has 8 divisors (see below), whose sum is σ = 39610209912. Its totient is φ = 25391160000.

The previous prime is 31738950097. The next prime is 31738950127. The reversal of 31738950125 is 52105983713.

It can be written as a sum of positive squares in 4 ways, for example, as 9732414409 + 22006535716 = 98653^2 + 148346^2 .

It is not a de Polignac number, because 31738950125 - 2¹⁶ = 31738884589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31738950127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126955676 + ... + 126955925.

It is an arithmetic number, because the mean of its divisors is an integer number (4951276239).

Almost surely, 2^31738950125 is an apocalyptic number.

It is an amenable number.

31738950125 is a deficient number, since it is larger than the sum of its proper divisors (7871259787).

31738950125 is an equidigital number, since it uses as much as digits as its factorization.

31738950125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253911616 (or 253911606 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 31738950125 in words is "thirty-one billion, seven hundred thirty-eight million, nine hundred fifty thousand, one hundred twenty-five".