31038982938 has 12 divisors (see below), whose sum is σ = 67251129738. Its totient is φ = 10346327640.

The previous prime is 31038982889. The next prime is 31038982957. The reversal of 31038982938 is 83928983013.

It is a happy number.

31038982938 is a `hidden beast` number, since 310 + 38 + 9 + 8 + 293 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22726467009 + 8312515929 = 150753^2 + 91173^2 .

It is a super-2 number, since 2×31038982938² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 862193953 + ... + 862193988.

Almost surely, 2^31038982938 is an apocalyptic number.

31038982938 is an abundant number, since it is smaller than the sum of its proper divisors (36212146800).

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

31038982938 is a wasteful number, since it uses less digits than its factorization.

31038982938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724387949 (or 1724387946 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 31038982938 in words is "thirty-one billion, thirty-eight million, nine hundred eighty-two thousand, nine hundred thirty-eight".