51214931214 has 32 divisors (see below), whose sum is σ = 102730343040. Its totient is φ = 17021639712.

The previous prime is 51214931213. The next prime is 51214931239. The reversal of 51214931214 is 41213941215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51214931213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896669 + ... + 2914295.

It is an arithmetic number, because the mean of its divisors is an integer number (3210323220).

Almost surely, 2^51214931214 is an apocalyptic number.

51214931214 is an abundant number, since it is smaller than the sum of its proper divisors (51515411826).

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

51214931214 is a wasteful number, since it uses less digits than its factorization.

51214931214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19024.

The product of its digits is 8640, while the sum is 33.

The spelling of 51214931214 in words is "fifty-one billion, two hundred fourteen million, nine hundred thirty-one thousand, two hundred fourteen".