2031123111000 has 64 divisors (see below), whose sum is σ = 6337104115680. Its totient is φ = 541632828800.

The previous prime is 2031123110987. The next prime is 2031123111007. The reversal of 2031123111000 is 1113211302.

It is a happy number.

It is a super-2 number, since 2×2031123111000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031123111007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338517519 + ... + 338523518.

Almost surely, 2^{2031123111000} is an apocalyptic number.

2031123111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031123111000 is an abundant number, since it is smaller than the sum of its proper divisors (4305981004680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031123111000 is a wasteful number, since it uses less digits than its factorization.

2031123111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677041061 (or 677041047 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2031123111000 its reverse (1113211302), we get a palindrome (2032236322302).

The spelling of 2031123111000 in words is "two trillion, thirty-one billion, one hundred twenty-three million, one hundred eleven thousand".