31430324033212 has 24 divisors (see below), whose sum is σ = 59311099694000. Its totient is φ = 14487439527936.

The previous prime is 31430324033041. The next prime is 31430324033233. The reversal of 31430324033212 is 21233042303413.

It is a happy number.

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, 392956962 + ... + 393036937.

Almost surely, 2^{31430324033212} is an apocalyptic number.

It is an amenable number.

31430324033212 is a deficient number, since it is larger than the sum of its proper divisors (27880775660788).

31430324033212 is a wasteful number, since it uses less digits than its factorization.

31430324033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785994685 (or 785994683 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 31430324033212 its reverse (21233042303413), we get a palindrome (52663366336625).

The spelling of 31430324033212 in words is "thirty-one trillion, four hundred thirty billion, three hundred twenty-four million, thirty-three thousand, two hundred twelve".