1301012131 has 4 divisors (see below), whose sum is σ = 1301124592. Its totient is φ = 1300899672.

The previous prime is 1301012117. The next prime is 1301012161. The reversal of 1301012131 is 1312101031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1301012131 - 2⁹ = 1301011619 is a prime.

It is a super-2 number, since 2×1301012131² = 3385265130018322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301012101) 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, 36591 + ... + 62776.

It is an arithmetic number, because the mean of its divisors is an integer number (325281148).

Almost surely, 2^1301012131 is an apocalyptic number.

1301012131 is a deficient number, since it is larger than the sum of its proper divisors (112461).

1301012131 is an equidigital number, since it uses as much as digits as its factorization.

1301012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112460.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1301012131 is about 36069.5457553876. The cubic root of 1301012131 is about 1091.6760487070.

Adding to 1301012131 its reverse (1312101031), we get a palindrome (2613113162).

Subtracting 1301012131 from its reverse (1312101031), we obtain a square (11088900 = 3330²).

The spelling of 1301012131 in words is "one billion, three hundred one million, twelve thousand, one hundred thirty-one".