31004221342 has 16 divisors (see below), whose sum is σ = 49865319360. Its totient is φ = 14405534208.

The previous prime is 31004221331. The next prime is 31004221379. The reversal of 31004221342 is 24312240013.

It is a super-2 number, since 2×31004221342² (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, 5768763 + ... + 5774134.

It is an arithmetic number, because the mean of its divisors is an integer number (3116582460).

Almost surely, 2^31004221342 is an apocalyptic number.

31004221342 is a deficient number, since it is larger than the sum of its proper divisors (18861098018).

31004221342 is a wasteful number, since it uses less digits than its factorization.

31004221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542995.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31004221342 its reverse (24312240013), we get a palindrome (55316461355).

The spelling of 31004221342 in words is "thirty-one billion, four million, two hundred twenty-one thousand, three hundred forty-two".