3031020142111 has 4 divisors (see below), whose sum is σ = 3264175537672. Its totient is φ = 2797864746552.

The previous prime is 3031020142069. The next prime is 3031020142141. The reversal of 3031020142111 is 1112410201303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3031020142111 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 (3031020142141) 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, 116577697761 + ... + 116577697786.

It is an arithmetic number, because the mean of its divisors is an integer number (816043884418).

Almost surely, 2^{3031020142111} is an apocalyptic number.

3031020142111 is a deficient number, since it is larger than the sum of its proper divisors (233155395561).

3031020142111 is a wasteful number, since it uses less digits than its factorization.

3031020142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233155395560.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3031020142111 its reverse (1112410201303), we get a palindrome (4143430343414).

The spelling of 3031020142111 in words is "three trillion, thirty-one billion, twenty million, one hundred forty-two thousand, one hundred eleven".