1231032119 has 2 divisors, whose sum is σ = 1231032120. Its totient is φ = 1231032118.

The previous prime is 1231032091. The next prime is 1231032139. The reversal of 1231032119 is 9112301321.

It is a strong prime.

It is an emirp because it is prime and its reverse (9112301321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231032119 - 2¹² = 1231028023 is a prime.

It is a super-2 number, since 2×1231032119² = 3030880156019260322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231032094 and 1231032103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231032139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615516059 + 615516060.

It is an arithmetic number, because the mean of its divisors is an integer number (615516060).

Almost surely, 2^1231032119 is an apocalyptic number.

1231032119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231032119 is an equidigital number, since it uses as much as digits as its factorization.

1231032119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1231032119 is about 35086.0673059834. The cubic root of 1231032119 is about 1071.7408755771.

The spelling of 1231032119 in words is "one billion, two hundred thirty-one million, thirty-two thousand, one hundred nineteen".