31434723214 has 4 divisors (see below), whose sum is σ = 47152084824. Its totient is φ = 15717361606.

The previous prime is 31434723209. The next prime is 31434723259. The reversal of 31434723214 is 41232743413.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31434723214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7858680802 + ... + 7858680805.

It is an arithmetic number, because the mean of its divisors is an integer number (11788021206).

Almost surely, 2^31434723214 is an apocalyptic number.

31434723214 is a deficient number, since it is larger than the sum of its proper divisors (15717361610).

31434723214 is a wasteful number, since it uses less digits than its factorization.

31434723214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15717361609.

The product of its digits is 48384, while the sum is 34.

It can be divided in two parts, 314347 and 23214, that added together give a square (337561 = 581²).

The spelling of 31434723214 in words is "thirty-one billion, four hundred thirty-four million, seven hundred twenty-three thousand, two hundred fourteen".