51031240300 has 18 divisors (see below), whose sum is σ = 110737791668. Its totient is φ = 20412496080.

The previous prime is 51031240261. The next prime is 51031240303. The reversal of 51031240300 is 304213015.

It is not an unprimeable number, because it can be changed into a prime (51031240303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255156102 + ... + 255156301.

Almost surely, 2^51031240300 is an apocalyptic number.

51031240300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51031240300 is an abundant number, since it is smaller than the sum of its proper divisors (59706551368).

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

51031240300 is a wasteful number, since it uses less digits than its factorization.

51031240300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510312417 (or 510312410 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 51031240300 its reverse (304213015), we get a palindrome (51335453315).

The spelling of 51031240300 in words is "fifty-one billion, thirty-one million, two hundred forty thousand, three hundred".