1301131547 has 2 divisors, whose sum is σ = 1301131548. Its totient is φ = 1301131546.

The previous prime is 1301131511. The next prime is 1301131553. The reversal of 1301131547 is 7451311031.

It is a strong prime.

It is an emirp because it is prime and its reverse (7451311031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301131547 - 2⁶ = 1301131483 is a prime.

It is a super-2 number, since 2×1301131547² = 3385886605197226418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1301136547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650565773 + 650565774.

It is an arithmetic number, because the mean of its divisors is an integer number (650565774).

Almost surely, 2^1301131547 is an apocalyptic number.

1301131547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301131547 is an equidigital number, since it uses as much as digits as its factorization.

1301131547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1301131547 is about 36071.2010750959. The cubic root of 1301131547 is about 1091.7094482415.

Adding to 1301131547 its reverse (7451311031), we get a palindrome (8752442578).

The spelling of 1301131547 in words is "one billion, three hundred one million, one hundred thirty-one thousand, five hundred forty-seven".