1303102030031 has 4 divisors (see below), whose sum is σ = 1305416599032. Its totient is φ = 1300787461032.

The previous prime is 1303102030001. The next prime is 1303102030033. The reversal of 1303102030031 is 1300302013031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303102030031 is a prime.

It is a super-2 number, since 2×1303102030031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303102029991 and 1303102030009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303102030033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157283656 + ... + 1157284781.

It is an arithmetic number, because the mean of its divisors is an integer number (326354149758).

Almost surely, 2^{1303102030031} is an apocalyptic number.

1303102030031 is a deficient number, since it is larger than the sum of its proper divisors (2314569001).

1303102030031 is an equidigital number, since it uses as much as digits as its factorization.

1303102030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314569000.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1303102030031 its reverse (1300302013031), we get a palindrome (2603404043062).

The spelling of 1303102030031 in words is "one trillion, three hundred three billion, one hundred two million, thirty thousand, thirty-one".