51031052134 has 4 divisors (see below), whose sum is σ = 76546578204. Its totient is φ = 25515526066.

The previous prime is 51031052077. The next prime is 51031052141. The reversal of 51031052134 is 43125013015.

It is a happy number.

51031052134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 51031052099 and 51031052108.

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, 12757763032 + ... + 12757763035.

It is an arithmetic number, because the mean of its divisors is an integer number (19136644551).

Almost surely, 2^51031052134 is an apocalyptic number.

51031052134 is a deficient number, since it is larger than the sum of its proper divisors (25515526070).

51031052134 is a wasteful number, since it uses less digits than its factorization.

51031052134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25515526069.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 51031052134 its reverse (43125013015), we get a palindrome (94156065149).

The spelling of 51031052134 in words is "fifty-one billion, thirty-one million, fifty-two thousand, one hundred thirty-four".