31142330408 has 32 divisors (see below), whose sum is σ = 67010496960. Its totient is φ = 13291326720.

The previous prime is 31142330407. The next prime is 31142330467. The reversal of 31142330408 is 80403324113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31142330407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140266 + ... + 1167257.

It is an arithmetic number, because the mean of its divisors is an integer number (2094078030).

Almost surely, 2^31142330408 is an apocalyptic number.

It is an amenable number.

31142330408 is an abundant number, since it is smaller than the sum of its proper divisors (35868166552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31142330408 is a wasteful number, since it uses less digits than its factorization.

31142330408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307777 (or 2307773 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 31142330408 in words is "thirty-one billion, one hundred forty-two million, three hundred thirty thousand, four hundred eight".