31003440422 has 16 divisors (see below), whose sum is σ = 47389801680. Its totient is φ = 15206928672.

The previous prime is 31003440401. The next prime is 31003440431. The reversal of 31003440422 is 22404430013.

It is a super-2 number, since 2×31003440422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836108 + ... + 872400.

It is an arithmetic number, because the mean of its divisors is an integer number (2961862605).

Almost surely, 2^31003440422 is an apocalyptic number.

31003440422 is a deficient number, since it is larger than the sum of its proper divisors (16386361258).

31003440422 is a wasteful number, since it uses less digits than its factorization.

31003440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44407.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31003440422 its reverse (22404430013), we get a palindrome (53407870435).

The spelling of 31003440422 in words is "thirty-one billion, three million, four hundred forty thousand, four hundred twenty-two".