1301131131 has 16 divisors (see below), whose sum is σ = 1762588800. Its totient is φ = 853648128.

The previous prime is 1301131121. The next prime is 1301131133. The reversal of 1301131131 is 1311311031.

It is not a de Polignac number, because 1301131131 - 2¹⁰ = 1301130107 is a prime.

It is a super-2 number, since 2×1301131131² = 3385884440114678322, 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 1301131131.

It is not an unprimeable number, because it can be changed into a prime (1301131133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39600 + ... + 64578.

It is an arithmetic number, because the mean of its divisors is an integer number (110161800).

Almost surely, 2^1301131131 is an apocalyptic number.

1301131131 is a deficient number, since it is larger than the sum of its proper divisors (461457669).

1301131131 is a wasteful number, since it uses less digits than its factorization.

1301131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25258.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1301131131 is about 36071.1953087224. The cubic root of 1301131131 is about 1091.7093318937.

Adding to 1301131131 its reverse (1311311031), we get a palindrome (2612442162).

The spelling of 1301131131 in words is "one billion, three hundred one million, one hundred thirty-one thousand, one hundred thirty-one".