1331148131 has 2 divisors, whose sum is σ = 1331148132. Its totient is φ = 1331148130.

The previous prime is 1331148101. The next prime is 1331148157. The reversal of 1331148131 is 1318411331.

It is an a-pointer prime, because the next prime (1331148157) can be obtained adding 1331148131 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (1318411331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331148131 - 2⁶ = 1331148067 is a prime.

It is a super-2 number, since 2×1331148131² = 3543910693329586322, 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 1331148131.

It is not a weakly prime, because it can be changed into another prime (1331148101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665574065 + 665574066.

It is an arithmetic number, because the mean of its divisors is an integer number (665574066).

Almost surely, 2^1331148131 is an apocalyptic number.

1331148131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331148131 is an equidigital number, since it uses as much as digits as its factorization.

1331148131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 1331148131 is about 36484.9027818357. The cubic root of 1331148131 is about 1100.0408059242.

Adding to 1331148131 its reverse (1318411331), we get a palindrome (2649559462).

The spelling of 1331148131 in words is "one billion, three hundred thirty-one million, one hundred forty-eight thousand, one hundred thirty-one".