51103431333404 has 12 divisors (see below), whose sum is σ = 89433426793200. Its totient is φ = 25551023678208.

The previous prime is 51103431333379. The next prime is 51103431333523. The reversal of 51103431333404 is 40433313430115.

It is a super-2 number, since 2×51103431333404² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172830944 + ... + 173126375.

It is an arithmetic number, because the mean of its divisors is an integer number (7452785566100).

Almost surely, 2^{51103431333404} is an apocalyptic number.

It is an amenable number.

51103431333404 is a deficient number, since it is larger than the sum of its proper divisors (38329995459796).

51103431333404 is a wasteful number, since it uses less digits than its factorization.

51103431333404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345994252 (or 345994250 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 51103431333404 its reverse (40433313430115), we get a palindrome (91536744763519).

The spelling of 51103431333404 in words is "fifty-one trillion, one hundred three billion, four hundred thirty-one million, three hundred thirty-three thousand, four hundred four".