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100130244431 = 714304320633
BaseRepresentation
bin101110101000000111…
…0100100011101001111
3100120110020201110000112
41131100032210131033
53120031320310211
6113555454350235
710143215014610
oct1352016443517
9316406643015
10100130244431
1139512a04728
12174a54bb37b
1395997b2559
144bbc485c07
1529108b588b
hex17503a474f

100130244431 has 4 divisors (see below), whose sum is σ = 114434565072. Its totient is φ = 85825923792.

The previous prime is 100130244391. The next prime is 100130244499. The reversal of 100130244431 is 134442031001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134442031001 = 172127781063.

It is not a de Polignac number, because 100130244431 - 218 = 100129982287 is a prime.

It is a super-2 number, since 2×1001302444312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100130244397 and 100130244406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100130243431) 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 3 ways as a sum of consecutive naturals, for example, 7152160310 + ... + 7152160323.

It is an arithmetic number, because the mean of its divisors is an integer number (28608641268).

Almost surely, 2100130244431 is an apocalyptic number.

100130244431 is a deficient number, since it is larger than the sum of its proper divisors (14304320641).

100130244431 is an equidigital number, since it uses as much as digits as its factorization.

100130244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304320640.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 100130244431 its reverse (134442031001), we get a palindrome (234572275432).

The spelling of 100130244431 in words is "one hundred billion, one hundred thirty million, two hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 7 14304320633 100130244431