31004304142 has 32 divisors (see below), whose sum is σ = 54831716352. Its totient is φ = 12870412704.

The previous prime is 31004304127. The next prime is 31004304151. The reversal of 31004304142 is 24140340013.

It is a super-2 number, since 2×31004304142² (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 15 ways as a sum of consecutive naturals, for example, 18688 + ... + 249715.

It is an arithmetic number, because the mean of its divisors is an integer number (1713491136).

Almost surely, 2^31004304142 is an apocalyptic number.

31004304142 is a deficient number, since it is larger than the sum of its proper divisors (23827412210).

31004304142 is a wasteful number, since it uses less digits than its factorization.

31004304142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268672.

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

Adding to 31004304142 its reverse (24140340013), we get a palindrome (55144644155).

The spelling of 31004304142 in words is "thirty-one billion, four million, three hundred four thousand, one hundred forty-two".