100311231230 has 32 divisors (see below), whose sum is σ = 206401970880. Its totient is φ = 34384515840.

The previous prime is 100311231187. The next prime is 100311231257. The reversal of 100311231230 is 32132113001.

It is a super-2 number, since 2×100311231230² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100311231199 and 100311231208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146120 + ... + 471140.

It is an arithmetic number, because the mean of its divisors is an integer number (6450061590).

Almost surely, 2^100311231230 is an apocalyptic number.

100311231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100311231230 is an abundant number, since it is smaller than the sum of its proper divisors (106090739650).

100311231230 is a wasteful number, since it uses less digits than its factorization.

100311231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329444.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100311231230 its reverse (32132113001), we get a palindrome (132443344231).

The spelling of 100311231230 in words is "one hundred billion, three hundred eleven million, two hundred thirty-one thousand, two hundred thirty".