31003444234 has 16 divisors (see below), whose sum is σ = 53745940800. Its totient is φ = 13137895584.

The previous prime is 31003444223. The next prime is 31003444249. The reversal of 31003444234 is 43244430013.

It is a super-2 number, since 2×31003444234² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12439944 + ... + 12442435.

It is an arithmetic number, because the mean of its divisors is an integer number (3359121300).

Almost surely, 2^31003444234 is an apocalyptic number.

31003444234 is a deficient number, since it is larger than the sum of its proper divisors (22742496566).

31003444234 is a wasteful number, since it uses less digits than its factorization.

31003444234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24882477.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31003444234 its reverse (43244430013), we get a palindrome (74247874247).

The spelling of 31003444234 in words is "thirty-one billion, three million, four hundred forty-four thousand, two hundred thirty-four".