2031012323100 has 108 divisors (see below), whose sum is σ = 6366789983736. Its totient is φ = 541544184960.

The previous prime is 2031012323083. The next prime is 2031012323107. The reversal of 2031012323100 is 13232101302.

2031012323100 is a `hidden beast` number, since 2 + 0 + 310 + 12 + 32 + 310 + 0 = 666.

It is a super-2 number, since 2×2031012323100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031012323107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8461339 + ... + 8698061.

Almost surely, 2^{2031012323100} is an apocalyptic number.

2031012323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031012323100 is an abundant number, since it is smaller than the sum of its proper divisors (4335777660636).

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

2031012323100 is a wasteful number, since it uses less digits than its factorization.

2031012323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246276 (or 246266 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2031012323100 its reverse (13232101302), we get a palindrome (2044244424402).

The spelling of 2031012323100 in words is "two trillion, thirty-one billion, twelve million, three hundred twenty-three thousand, one hundred".