100312143234 has 16 divisors (see below), whose sum is σ = 211183459680. Its totient is φ = 31677518880.

The previous prime is 100312143233. The next prime is 100312143251. The reversal of 100312143234 is 432341213001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100312143233) 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, 439965427 + ... + 439965654.

It is an arithmetic number, because the mean of its divisors is an integer number (13198966230).

Almost surely, 2^100312143234 is an apocalyptic number.

100312143234 is an abundant number, since it is smaller than the sum of its proper divisors (110871316446).

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

100312143234 is a wasteful number, since it uses less digits than its factorization.

100312143234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879931105.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 100312143234 its reverse (432341213001), we get a palindrome (532653356235).

The spelling of 100312143234 in words is "one hundred billion, three hundred twelve million, one hundred forty-three thousand, two hundred thirty-four".