142031033311 has 4 divisors (see below), whose sum is σ = 143149388032. Its totient is φ = 140912678592.

The previous prime is 142031033293. The next prime is 142031033321. The reversal of 142031033311 is 113330130241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142031033311 - 2⁹ = 142031032799 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 (142031033321) 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, 559177170 + ... + 559177423.

It is an arithmetic number, because the mean of its divisors is an integer number (35787347008).

Almost surely, 2^142031033311 is an apocalyptic number.

142031033311 is a deficient number, since it is larger than the sum of its proper divisors (1118354721).

142031033311 is a wasteful number, since it uses less digits than its factorization.

142031033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118354720.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 142031033311 its reverse (113330130241), we get a palindrome (255361163552).

The spelling of 142031033311 in words is "one hundred forty-two billion, thirty-one million, thirty-three thousand, three hundred eleven".