31330454340234 has 32 divisors (see below), whose sum is σ = 71624993844096. Its totient is φ = 8949992535360.

The previous prime is 31330454340223. The next prime is 31330454340293. The reversal of 31330454340234 is 43204345403313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31330454340192 and 31330454340201.

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, 65000677 + ... + 65480904.

It is an arithmetic number, because the mean of its divisors is an integer number (2238281057628).

Almost surely, 2^{31330454340234} is an apocalyptic number.

31330454340234 is an abundant number, since it is smaller than the sum of its proper divisors (40294539503862).

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

31330454340234 is a wasteful number, since it uses less digits than its factorization.

31330454340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130487310.

The product of its (nonzero) digits is 622080, while the sum is 39.

Adding to 31330454340234 its reverse (43204345403313), we get a palindrome (74534799743547).

The spelling of 31330454340234 in words is "thirty-one trillion, three hundred thirty billion, four hundred fifty-four million, three hundred forty thousand, two hundred thirty-four".