1331112371 has 2 divisors, whose sum is σ = 1331112372. Its totient is φ = 1331112370.

The previous prime is 1331112347. The next prime is 1331112401. The reversal of 1331112371 is 1732111331.

It is a weak prime.

It is an emirp because it is prime and its reverse (1732111331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331112371 - 2¹⁰ = 1331111347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331112271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665556185 + 665556186.

It is an arithmetic number, because the mean of its divisors is an integer number (665556186).

Almost surely, 2^1331112371 is an apocalyptic number.

1331112371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331112371 is an equidigital number, since it uses as much as digits as its factorization.

1331112371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 23.

The square root of 1331112371 is about 36484.4127128285. The cubic root of 1331112371 is about 1100.0309553272.

The spelling of 1331112371 in words is "one billion, three hundred thirty-one million, one hundred twelve thousand, three hundred seventy-one".