142269031 has 2 divisors, whose sum is σ = 142269032. Its totient is φ = 142269030.

The previous prime is 142269011. The next prime is 142269037. The reversal of 142269031 is 130962241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142269031 - 2⁵ = 142268999 is a prime.

It is a super-2 number, since 2×142269031² = 40480954363357922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142269037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71134515 + 71134516.

It is an arithmetic number, because the mean of its divisors is an integer number (71134516).

Almost surely, 2^142269031 is an apocalyptic number.

142269031 is a deficient number, since it is larger than the sum of its proper divisors (1).

142269031 is an equidigital number, since it uses as much as digits as its factorization.

142269031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 142269031 is about 11927.6582362172. The cubic root of 142269031 is about 522.0396115524.

The spelling of 142269031 in words is "one hundred forty-two million, two hundred sixty-nine thousand, thirty-one".