135150031 has 2 divisors, whose sum is σ = 135150032. Its totient is φ = 135150030.

The previous prime is 135150023. The next prime is 135150073. The reversal of 135150031 is 130051531.

135150031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135150031 - 2³ = 135150023 is a prime.

It is a super-2 number, since 2×135150031² = 36531061758601922, 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 = 135149990 and 135150008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135150131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67575015 + 67575016.

It is an arithmetic number, because the mean of its divisors is an integer number (67575016).

Almost surely, 2^135150031 is an apocalyptic number.

135150031 is a deficient number, since it is larger than the sum of its proper divisors (1).

135150031 is an equidigital number, since it uses as much as digits as its factorization.

135150031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 135150031 is about 11625.4045521005. The cubic root of 135150031 is about 513.1827502415.

It can be divided in two parts, 1351500 and 31, that added together give a palindrome (1351531).

The spelling of 135150031 in words is "one hundred thirty-five million, one hundred fifty thousand, thirty-one".