31021004342 has 16 divisors (see below), whose sum is σ = 47752068672. Its totient is φ = 15105007680.

The previous prime is 31021004323. The next prime is 31021004353. The reversal of 31021004342 is 24340012013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293918 + ... + 385265.

It is an arithmetic number, because the mean of its divisors is an integer number (2984504292).

Almost surely, 2^31021004342 is an apocalyptic number.

31021004342 is a deficient number, since it is larger than the sum of its proper divisors (16731064330).

31021004342 is a wasteful number, since it uses less digits than its factorization.

31021004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679783.

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

Adding to 31021004342 its reverse (24340012013), we get a palindrome (55361016355).

The spelling of 31021004342 in words is "thirty-one billion, twenty-one million, four thousand, three hundred forty-two".