119400031 has 2 divisors, whose sum is σ = 119400032. Its totient is φ = 119400030.

The previous prime is 119399897. The next prime is 119400037. The reversal of 119400031 is 130004911.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 119400031 - 2²¹ = 117302879 is a prime.

It is a super-2 number, since 2×119400031² = 28512734805601922, 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 = 119399981 and 119400008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119400037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59700015 + 59700016.

It is an arithmetic number, because the mean of its divisors is an integer number (59700016).

Almost surely, 2^119400031 is an apocalyptic number.

119400031 is a deficient number, since it is larger than the sum of its proper divisors (1).

119400031 is an equidigital number, since it uses as much as digits as its factorization.

119400031 is an evil number, because the sum of its binary digits is even.

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

The square root of 119400031 is about 10927.0321222187. The cubic root of 119400031 is about 492.4190128540.

Adding to 119400031 its reverse (130004911), we get a palindrome (249404942).

The spelling of 119400031 in words is "one hundred nineteen million, four hundred thousand, thirty-one".