2031022020311 has 8 divisors (see below), whose sum is σ = 2038184694000. Its totient is φ = 2023869304000.

The previous prime is 2031022020241. The next prime is 2031022020319. The reversal of 2031022020311 is 1130202201302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031022020311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031022020311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031022020319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080565 + ... + 2896686.

It is an arithmetic number, because the mean of its divisors is an integer number (254773086750).

Almost surely, 2^{2031022020311} is an apocalyptic number.

2031022020311 is a deficient number, since it is larger than the sum of its proper divisors (7162673689).

2031022020311 is a wasteful number, since it uses less digits than its factorization.

2031022020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978689.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2031022020311 its reverse (1130202201302), we get a palindrome (3161224221613).

The spelling of 2031022020311 in words is "two trillion, thirty-one billion, twenty-two million, twenty thousand, three hundred eleven".