31004234244 has 60 divisors (see below), whose sum is σ = 81794874700. Its totient is φ = 10239918912.

The previous prime is 31004234221. The next prime is 31004234251. The reversal of 31004234244 is 44243240013.

It is a happy number.

31004234244 is a `hidden beast` number, since 310 + 0 + 4 + 2 + 342 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22212921600 + 8791312644 = 149040^2 + 93762^2 .

It is a super-2 number, since 2×31004234244² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 403639 + ... + 474270.

Almost surely, 2^31004234244 is an apocalyptic number.

It is an amenable number.

31004234244 is an abundant number, since it is smaller than the sum of its proper divisors (50790640456).

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

31004234244 is a wasteful number, since it uses less digits than its factorization.

31004234244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878034 (or 878023 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 31004234244 its reverse (44243240013), we get a palindrome (75247474257).

The spelling of 31004234244 in words is "thirty-one billion, four million, two hundred thirty-four thousand, two hundred forty-four".