1331134031 has 2 divisors, whose sum is σ = 1331134032. Its totient is φ = 1331134030.

The previous prime is 1331134027. The next prime is 1331134067. The reversal of 1331134031 is 1304311331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331134031 - 2² = 1331134027 is a prime.

It is a super-2 number, since 2×1331134031² = 3543835616972617922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331133994 and 1331134012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331134001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665567015 + 665567016.

It is an arithmetic number, because the mean of its divisors is an integer number (665567016).

Almost surely, 2^1331134031 is an apocalyptic number.

1331134031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331134031 is an equidigital number, since it uses as much as digits as its factorization.

1331134031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1331134031 is about 36484.7095507145. The cubic root of 1331134031 is about 1100.0369219012.

Adding to 1331134031 its reverse (1304311331), we get a palindrome (2635445362).

The spelling of 1331134031 in words is "one billion, three hundred thirty-one million, one hundred thirty-four thousand, thirty-one".