100431154012 has 36 divisors (see below), whose sum is σ = 206359917624. Its totient is φ = 42639653280.

The previous prime is 100431153973. The next prime is 100431154013. The reversal of 100431154012 is 210451134001.

It is a super-2 number, since 2×100431154012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100431154013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2373439 + ... + 2415382.

It is an arithmetic number, because the mean of its divisors is an integer number (5732219934).

Almost surely, 2^100431154012 is an apocalyptic number.

It is an amenable number.

100431154012 is an abundant number, since it is smaller than the sum of its proper divisors (105928763612).

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

100431154012 is a wasteful number, since it uses less digits than its factorization.

100431154012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788946 (or 4788937 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 100431154012 its reverse (210451134001), we get a palindrome (310882288013).

The spelling of 100431154012 in words is "one hundred billion, four hundred thirty-one million, one hundred fifty-four thousand, twelve".