51032038306431 has 48 divisors (see below), whose sum is σ = 87053951867904. Its totient is φ = 26345274814656.

The previous prime is 51032038306429. The next prime is 51032038306507. The reversal of 51032038306431 is 13460383023015.

It is not a de Polignac number, because 51032038306431 - 2¹ = 51032038306429 is a prime.

It is a super-2 number, since 2×51032038306431² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 51032038306431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51032034306431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283999155 + ... + 284178788.

It is an arithmetic number, because the mean of its divisors is an integer number (1813623997248).

Almost surely, 2^{51032038306431} is an apocalyptic number.

51032038306431 is a deficient number, since it is larger than the sum of its proper divisors (36021913561473).

51032038306431 is a wasteful number, since it uses less digits than its factorization.

51032038306431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568178020 (or 568178013 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 51032038306431 in words is "fifty-one trillion, thirty-two billion, thirty-eight million, three hundred six thousand, four hundred thirty-one".