31432211344104 has 32 divisors (see below), whose sum is σ = 79154108867520. Its totient is φ = 10400926380416.

The previous prime is 31432211344087. The next prime is 31432211344117. The reversal of 31432211344104 is 40144311223413.

It is a happy 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, 4779834204 + ... + 4779840779.

It is an arithmetic number, because the mean of its divisors is an integer number (2473565902110).

Almost surely, 2^{31432211344104} is an apocalyptic number.

It is an amenable number.

31432211344104 is an abundant number, since it is smaller than the sum of its proper divisors (47721897523416).

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

31432211344104 is a wasteful number, since it uses less digits than its factorization.

31432211344104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9559675129 (or 9559675125 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 31432211344104 its reverse (40144311223413), we get a palindrome (71576522567517).

The spelling of 31432211344104 in words is "thirty-one trillion, four hundred thirty-two billion, two hundred eleven million, three hundred forty-four thousand, one hundred four".