1303012323131 has 4 divisors (see below), whose sum is σ = 1303023117000. Its totient is φ = 1303001529264.

The previous prime is 1303012323113. The next prime is 1303012323143. The reversal of 1303012323131 is 1313232103031.

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

It is a cyclic number.

It is not a de Polignac number, because 1303012323131 - 2²² = 1303008128827 is a prime.

It is a super-2 number, since 2×1303012323131² (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 = 1303012323097 and 1303012323106.

It is not an unprimeable number, because it can be changed into a prime (1303012323331) 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, 5213786 + ... + 5457983.

It is an arithmetic number, because the mean of its divisors is an integer number (325755779250).

Almost surely, 2^{1303012323131} is an apocalyptic number.

1303012323131 is a deficient number, since it is larger than the sum of its proper divisors (10793869).

1303012323131 is a wasteful number, since it uses less digits than its factorization.

1303012323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793868.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1303012323131 its reverse (1313232103031), we get a palindrome (2616244426162).

The spelling of 1303012323131 in words is "one trillion, three hundred three billion, twelve million, three hundred twenty-three thousand, one hundred thirty-one".