51431354286 has 16 divisors (see below), whose sum is σ = 110775224784. Its totient is φ = 15825032064.

The previous prime is 51431354281. The next prime is 51431354287. The reversal of 51431354286 is 68245313415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51431354281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329688091 + ... + 329688246.

It is an arithmetic number, because the mean of its divisors is an integer number (6923451549).

Almost surely, 2^51431354286 is an apocalyptic number.

51431354286 is an abundant number, since it is smaller than the sum of its proper divisors (59343870498).

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

51431354286 is a wasteful number, since it uses less digits than its factorization.

51431354286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659376355.

The product of its digits is 345600, while the sum is 42.

The spelling of 51431354286 in words is "fifty-one billion, four hundred thirty-one million, three hundred fifty-four thousand, two hundred eighty-six".