51110131 has 8 divisors (see below), whose sum is σ = 52684128. Its totient is φ = 49560000.

The previous prime is 51110123. The next prime is 51110167. The reversal of 51110131 is 13101115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51110131 - 2³ = 51110123 is a prime.

It is a super-2 number, since 2×51110131² = 5224490981674322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51113131) 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, 1570 + ... + 10231.

It is an arithmetic number, because the mean of its divisors is an integer number (6585516).

Almost surely, 2^51110131 is an apocalyptic number.

51110131 is a deficient number, since it is larger than the sum of its proper divisors (1573997).

51110131 is a wasteful number, since it uses less digits than its factorization.

51110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933.

The product of its (nonzero) digits is 15, while the sum is 13.

The square root of 51110131 is about 7149.1349826395. The cubic root of 51110131 is about 371.1097216659.

Adding to 51110131 its reverse (13101115), we get a palindrome (64211246).

The spelling of 51110131 in words is "fifty-one million, one hundred ten thousand, one hundred thirty-one".