100043431112190 has 32 divisors (see below), whose sum is σ = 240209868020256. Its totient is φ = 26666511257600.

The previous prime is 100043431112189. The next prime is 100043431112281. The reversal of 100043431112190 is 91211134340001.

It is a super-2 number, since 2×100043431112190² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733495611 + ... + 733631990.

It is an arithmetic number, because the mean of its divisors is an integer number (7506558375633).

Almost surely, 2^{100043431112190} is an apocalyptic number.

100043431112190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100043431112190 is an abundant number, since it is smaller than the sum of its proper divisors (140166436908066).

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

100043431112190 is a wasteful number, since it uses less digits than its factorization.

100043431112190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467129884.

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 100043431112190 its reverse (91211134340001), we get a palindrome (191254565452191).

The spelling of 100043431112190 in words is "one hundred trillion, forty-three billion, four hundred thirty-one million, one hundred twelve thousand, one hundred ninety".