190150031 has 2 divisors, whose sum is σ = 190150032. Its totient is φ = 190150030.

The previous prime is 190150027. The next prime is 190150057. The reversal of 190150031 is 130051091.

It is a weak prime.

It is an emirp because it is prime and its reverse (130051091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190150031 - 2² = 190150027 is a prime.

It is a super-2 number, since 2×190150031² = 72314068578601922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 190149985 and 190150012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190150091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95075015 + 95075016.

It is an arithmetic number, because the mean of its divisors is an integer number (95075016).

Almost surely, 2^190150031 is an apocalyptic number.

190150031 is a deficient number, since it is larger than the sum of its proper divisors (1).

190150031 is an equidigital number, since it uses as much as digits as its factorization.

190150031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 190150031 is about 13789.4898745385. The cubic root of 190150031 is about 575.0409861143.

The spelling of 190150031 in words is "one hundred ninety million, one hundred fifty thousand, thirty-one".