31010403242 has 32 divisors (see below), whose sum is σ = 57261993600. Its totient is φ = 12265276608.

The previous prime is 31010403241. The next prime is 31010403251. The reversal of 31010403242 is 24230401013.

It is a super-2 number, since 2×31010403242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31010403241) 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, 1014884 + ... + 1044992.

It is an arithmetic number, because the mean of its divisors is an integer number (1789437300).

Almost surely, 2^31010403242 is an apocalyptic number.

31010403242 is a deficient number, since it is larger than the sum of its proper divisors (26251590358).

31010403242 is a wasteful number, since it uses less digits than its factorization.

31010403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35790.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31010403242 its reverse (24230401013), we get a palindrome (55240804255).

The spelling of 31010403242 in words is "thirty-one billion, ten million, four hundred three thousand, two hundred forty-two".