1303000231 has 4 divisors (see below), whose sum is σ = 1403231032. Its totient is φ = 1202769432.

The previous prime is 1303000219. The next prime is 1303000253. The reversal of 1303000231 is 1320003031.

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-1303000231 is a prime.

It is a super-2 number, since 2×1303000231² = 3395619203972106722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 100230787 = 1303000231 / (1 + 3 + 0 + 3 + 0 + 0 + 0 + 2 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50115381 + ... + 50115406.

It is an arithmetic number, because the mean of its divisors is an integer number (350807758).

Almost surely, 2^1303000231 is an apocalyptic number.

1303000231 is a deficient number, since it is larger than the sum of its proper divisors (100230801).

1303000231 is a wasteful number, since it uses less digits than its factorization.

1303000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100230800.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1303000231 is about 36097.0944952637. The cubic root of 1303000231 is about 1092.2318356249.

Adding to 1303000231 its reverse (1320003031), we get a palindrome (2623003262).

The spelling of 1303000231 in words is "one billion, three hundred three million, two hundred thirty-one", and thus it is an aban number.