1303103130121 has 24 divisors (see below), whose sum is σ = 1416334883040. Its totient is φ = 1198365307776.

The previous prime is 1303103130103. The next prime is 1303103130139. The reversal of 1303103130121 is 1210313013031.

It is an interprime number because it is at equal distance from previous prime (1303103130103) and next prime (1303103130139).

It is a de Polignac number, because none of the positive numbers 2^k-1303103130121 is a prime.

It is a super-2 number, since 2×1303103130121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303103130101) 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, 136603170 + ... + 136612708.

It is an arithmetic number, because the mean of its divisors is an integer number (59013953460).

Almost surely, 2^{1303103130121} is an apocalyptic number.

It is an amenable number.

1303103130121 is a deficient number, since it is larger than the sum of its proper divisors (113231752919).

1303103130121 is a wasteful number, since it uses less digits than its factorization.

1303103130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505 (or 12492 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1303103130121 its reverse (1210313013031), we get a palindrome (2513416143152).

The spelling of 1303103130121 in words is "one trillion, three hundred three billion, one hundred three million, one hundred thirty thousand, one hundred twenty-one".