31312433421314 has 4 divisors (see below), whose sum is σ = 46968650131974. Its totient is φ = 15656216710656.

The previous prime is 31312433421277. The next prime is 31312433421341. The reversal of 31312433421314 is 41312433421313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16461545342089 + 14850888079225 = 4057283^2 + 3853685^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7828108355327 + ... + 7828108355330.

Almost surely, 2^{31312433421314} is an apocalyptic number.

31312433421314 is a deficient number, since it is larger than the sum of its proper divisors (15656216710660).

31312433421314 is a wasteful number, since it uses less digits than its factorization.

31312433421314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15656216710659.

The product of its digits is 62208, while the sum is 35.

Adding to 31312433421314 its reverse (41312433421313), we get a palindrome (72624866842627).

Subtracting 31312433421314 from its reverse (41312433421313), we obtain a palindrome (9999999999999).

The spelling of 31312433421314 in words is "thirty-one trillion, three hundred twelve billion, four hundred thirty-three million, four hundred twenty-one thousand, three hundred fourteen".