142361311 has 4 divisors (see below), whose sum is σ = 146208952. Its totient is φ = 138513672.

The previous prime is 142361309. The next prime is 142361327. The reversal of 142361311 is 113163241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113163241 = 1613 ⋅70157.

It is a cyclic number.

It is not a de Polignac number, because 142361311 - 2¹ = 142361309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142361341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923765 + ... + 1923838.

It is an arithmetic number, because the mean of its divisors is an integer number (36552238).

Almost surely, 2^142361311 is an apocalyptic number.

142361311 is a deficient number, since it is larger than the sum of its proper divisors (3847641).

142361311 is an equidigital number, since it uses as much as digits as its factorization.

142361311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847640.

The product of its digits is 432, while the sum is 22.

The square root of 142361311 is about 11931.5259292347. The cubic root of 142361311 is about 522.1524573890.

The spelling of 142361311 in words is "one hundred forty-two million, three hundred sixty-one thousand, three hundred eleven".