2031123033311 has 8 divisors (see below), whose sum is σ = 2033866406880. Its totient is φ = 2028379926528.

The previous prime is 2031123033307. The next prime is 2031123033341. The reversal of 2031123033311 is 1133303211302.

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

It is a cyclic number.

It is not a de Polignac number, because 2031123033311 - 2² = 2031123033307 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 (2031123033341) 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, 18714875 + ... + 18823091.

It is an arithmetic number, because the mean of its divisors is an integer number (254233300860).

Almost surely, 2^{2031123033311} is an apocalyptic number.

2031123033311 is a deficient number, since it is larger than the sum of its proper divisors (2743373569).

2031123033311 is a wasteful number, since it uses less digits than its factorization.

2031123033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133393.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2031123033311 its reverse (1133303211302), we get a palindrome (3164426244613).

The spelling of 2031123033311 in words is "two trillion, thirty-one billion, one hundred twenty-three million, thirty-three thousand, three hundred eleven".