1013321412103 has 24 divisors (see below), whose sum is σ = 1368018965376. Its totient is φ = 728862544800.

The previous prime is 1013321412083. The next prime is 1013321412107. The reversal of 1013321412103 is 3012141233101.

It is not a de Polignac number, because 1013321412103 - 2²⁹ = 1012784541191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013321412107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38921953 + ... + 38947978.

It is an arithmetic number, because the mean of its divisors is an integer number (57000790224).

Almost surely, 2^{1013321412103} is an apocalyptic number.

1013321412103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013321412103 is a deficient number, since it is larger than the sum of its proper divisors (354697553273).

1013321412103 is a wasteful number, since it uses less digits than its factorization.

1013321412103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77869975 (or 77869962 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1013321412103 its reverse (3012141233101), we get a palindrome (4025462645204).

The spelling of 1013321412103 in words is "one trillion, thirteen billion, three hundred twenty-one million, four hundred twelve thousand, one hundred three".