2031120019 has 2 divisors, whose sum is σ = 2031120020. Its totient is φ = 2031120018.

The previous prime is 2031120011. The next prime is 2031120043. The reversal of 2031120019 is 9100211302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031120019 - 2³ = 2031120011 is a prime.

It is a super-2 number, since 2×2031120019² = 8250897063165120722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031119978 and 2031120005.

It is not a weakly prime, because it can be changed into another prime (2031120011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015560009 + 1015560010.

It is an arithmetic number, because the mean of its divisors is an integer number (1015560010).

Almost surely, 2^2031120019 is an apocalyptic number.

2031120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031120019 is an equidigital number, since it uses as much as digits as its factorization.

2031120019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2031120019 is about 45067.9489105062. The cubic root of 2031120019 is about 1266.4222405636.

The spelling of 2031120019 in words is "two billion, thirty-one million, one hundred twenty thousand, nineteen".