119831 has 2 divisors, whose sum is σ = 119832. Its totient is φ = 119830.

The previous prime is 119827. The next prime is 119839. The reversal of 119831 is 138911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 119831 - 2² = 119827 is a prime.

It is a super-2 number, since 2×119831² = 28718937122, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 119797 and 119806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59915 + 59916.

It is an arithmetic number, because the mean of its divisors is an integer number (59916).

2¹¹⁹⁸³¹ is an apocalyptic number.

119831 is a deficient number, since it is larger than the sum of its proper divisors (1).

119831 is an equidigital number, since it uses as much as digits as its factorization.

119831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 23.

The square root of 119831 is about 346.1661450807. The cubic root of 119831 is about 49.3010756170.

It can be divided in two parts, 119 and 831, that multiplied together give a palindrome (98889).

The spelling of 119831 in words is "one hundred nineteen thousand, eight hundred thirty-one".