100432340451 has 16 divisors (see below), whose sum is σ = 148794040320. Its totient is φ = 66952469160.

The previous prime is 100432340417. The next prime is 100432340479. The reversal of 100432340451 is 154043234001.

It is a happy number.

It is not a de Polignac number, because 100432340451 - 2¹⁵ = 100432307683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100432345451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999186 + ... + 1095096.

It is an arithmetic number, because the mean of its divisors is an integer number (9299627520).

Almost surely, 2^100432340451 is an apocalyptic number.

100432340451 is a deficient number, since it is larger than the sum of its proper divisors (48361699869).

100432340451 is an equidigital number, since it uses as much as digits as its factorization.

100432340451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134703 (or 134697 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 100432340451 its reverse (154043234001), we get a palindrome (254475574452).

The spelling of 100432340451 in words is "one hundred billion, four hundred thirty-two million, three hundred forty thousand, four hundred fifty-one".