51131503030 has 32 divisors (see below), whose sum is σ = 95340913920. Its totient is φ = 19729543680.

The previous prime is 51131503019. The next prime is 51131503037. The reversal of 51131503030 is 3030513115.

It is a super-2 number, since 2×51131503030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51131502992 and 51131503010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51131503037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664134 + ... + 737113.

It is an arithmetic number, because the mean of its divisors is an integer number (2979403560).

Almost surely, 2^51131503030 is an apocalyptic number.

51131503030 is a deficient number, since it is larger than the sum of its proper divisors (44209410890).

51131503030 is a wasteful number, since it uses less digits than its factorization.

51131503030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401384.

The product of its (nonzero) digits is 675, while the sum is 22.

The spelling of 51131503030 in words is "fifty-one billion, one hundred thirty-one million, five hundred three thousand, thirty".