104031300400421 has 2 divisors, whose sum is σ = 104031300400422. Its totient is φ = 104031300400420.

The previous prime is 104031300400367. The next prime is 104031300400439. The reversal of 104031300400421 is 124004003130401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72906494560900 + 31124805839521 = 8538530^2 + 5578961^2 .

It is an emirp because it is prime and its reverse (124004003130401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104031300400421 is a prime.

It is a super-2 number, since 2×104031300400421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104031300406421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52015650200210 + 52015650200211.

It is an arithmetic number, because the mean of its divisors is an integer number (52015650200211).

Almost surely, 2^{104031300400421} is an apocalyptic number.

It is an amenable number.

104031300400421 is a deficient number, since it is larger than the sum of its proper divisors (1).

104031300400421 is an equidigital number, since it uses as much as digits as its factorization.

104031300400421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 104031300400421 its reverse (124004003130401), we get a palindrome (228035303530822).

The spelling of 104031300400421 in words is "one hundred four trillion, thirty-one billion, three hundred million, four hundred thousand, four hundred twenty-one".