1301230131 has 4 divisors (see below), whose sum is σ = 1734973512. Its totient is φ = 867486752.

The previous prime is 1301230123. The next prime is 1301230187. The reversal of 1301230131 is 1310321031.

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 1301230131 - 2³ = 1301230123 is a prime.

It is a super-2 number, since 2×1301230131² = 3386399707644554322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1301230131.

It is not an unprimeable number, because it can be changed into a prime (1301230111) 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, 216871686 + ... + 216871691.

It is an arithmetic number, because the mean of its divisors is an integer number (433743378).

Almost surely, 2^1301230131 is an apocalyptic number.

1301230131 is a deficient number, since it is larger than the sum of its proper divisors (433743381).

1301230131 is an equidigital number, since it uses as much as digits as its factorization.

1301230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433743380.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1301230131 is about 36072.5675687218. The cubic root of 1301230131 is about 1091.7370197212.

Adding to 1301230131 its reverse (1310321031), we get a palindrome (2611551162).

The spelling of 1301230131 in words is "one billion, three hundred one million, two hundred thirty thousand, one hundred thirty-one".