142351031 has 2 divisors, whose sum is σ = 142351032. Its totient is φ = 142351030.

The previous prime is 142351009. The next prime is 142351037. The reversal of 142351031 is 130153241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142351031 - 2¹⁰ = 142350007 is a prime.

It is a super-2 number, since 2×142351031² = 40527632053525922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142350994 and 142351012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142351037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71175515 + 71175516.

It is an arithmetic number, because the mean of its divisors is an integer number (71175516).

Almost surely, 2^142351031 is an apocalyptic number.

142351031 is a deficient number, since it is larger than the sum of its proper divisors (1).

142351031 is an equidigital number, since it uses as much as digits as its factorization.

142351031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 142351031 is about 11931.0951299535. The cubic root of 142351031 is about 522.1398887671.

The spelling of 142351031 in words is "one hundred forty-two million, three hundred fifty-one thousand, thirty-one".