1301582131 has 2 divisors, whose sum is σ = 1301582132. Its totient is φ = 1301582130.

The previous prime is 1301582129. The next prime is 1301582159. The reversal of 1301582131 is 1312851031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301582131 - 2¹ = 1301582129 is a prime.

It is a super-2 number, since 2×1301582131² = 3388232087477002322, which contains 22 as substring.

Together with 1301582129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1301582096 and 1301582105.

It is not a weakly prime, because it can be changed into another prime (1301582171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650791065 + 650791066.

It is an arithmetic number, because the mean of its divisors is an integer number (650791066).

Almost surely, 2^1301582131 is an apocalyptic number.

1301582131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301582131 is an equidigital number, since it uses as much as digits as its factorization.

1301582131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1301582131 is about 36077.4462926632. The cubic root of 1301582131 is about 1091.8354539579.

The spelling of 1301582131 in words is "one billion, three hundred one million, five hundred eighty-two thousand, one hundred thirty-one".