31738480250 has 32 divisors (see below), whose sum is σ = 60535487376. Its totient is φ = 12455851200.

The previous prime is 31738480247. The next prime is 31738480253. The reversal of 31738480250 is 5208483713.

It is an interprime number because it is at equal distance from previous prime (31738480247) and next prime (31738480253).

It can be written as a sum of positive squares in 8 ways, for example, as 189971089 + 31548509161 = 13783^2 + 177619^2 .

It is a super-2 number, since 2×31738480250² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31738480198 and 31738480207.

It is not an unprimeable number, because it can be changed into a prime (31738480253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184429 + ... + 1210928.

Almost surely, 2^31738480250 is an apocalyptic number.

31738480250 is a deficient number, since it is larger than the sum of its proper divisors (28797007126).

31738480250 is a wasteful number, since it uses less digits than its factorization.

31738480250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395427 (or 2395417 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 31738480250 in words is "thirty-one billion, seven hundred thirty-eight million, four hundred eighty thousand, two hundred fifty".