113421403313 has 2 divisors, whose sum is σ = 113421403314. Its totient is φ = 113421403312.

The previous prime is 113421403307. The next prime is 113421403339. The reversal of 113421403313 is 313304124311.

It is an a-pointer prime, because the next prime (113421403339) can be obtained adding 113421403313 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104447251489 + 8974151824 = 323183^2 + 94732^2 .

It is a cyclic number.

It is not a de Polignac number, because 113421403313 - 2⁸ = 113421403057 is a prime.

It is not a weakly prime, because it can be changed into another prime (113421403343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56710701656 + 56710701657.

It is an arithmetic number, because the mean of its divisors is an integer number (56710701657).

Almost surely, 2^113421403313 is an apocalyptic number.

It is an amenable number.

113421403313 is a deficient number, since it is larger than the sum of its proper divisors (1).

113421403313 is an equidigital number, since it uses as much as digits as its factorization.

113421403313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113421403313 its reverse (313304124311), we get a palindrome (426725527624).

The spelling of 113421403313 in words is "one hundred thirteen billion, four hundred twenty-one million, four hundred three thousand, three hundred thirteen".