142141031 has 2 divisors, whose sum is σ = 142141032. Its totient is φ = 142141030.

The previous prime is 142141009. The next prime is 142141057. The reversal of 142141031 is 130141241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142141031 is a prime.

It is a super-2 number, since 2×142141031² = 40408145387485922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142141091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71070515 + 71070516.

It is an arithmetic number, because the mean of its divisors is an integer number (71070516).

Almost surely, 2^142141031 is an apocalyptic number.

142141031 is a deficient number, since it is larger than the sum of its proper divisors (1).

142141031 is an equidigital number, since it uses as much as digits as its factorization.

142141031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 142141031 is about 11922.2913485622. The cubic root of 142141031 is about 521.8830042206.

Adding to 142141031 its reverse (130141241), we get a palindrome (272282272).

The spelling of 142141031 in words is "one hundred forty-two million, one hundred forty-one thousand, thirty-one".