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100323315031 = 217946040989
BaseRepresentation
bin101110101101110111…
…1000100110101010111
3100120221201000110002111
41131123233010311113
53120430232040111
6114030552451451
710151051051632
oct1353357046527
9316851013074
10100323315031
1139601994505
121753a0a9b87
1395ca7b1804
144bd9d82c19
152922801a21
hex175bbc4d57

100323315031 has 4 divisors (see below), whose sum is σ = 100369358200. Its totient is φ = 100277271864.

The previous prime is 100323315023. The next prime is 100323315047. The reversal of 100323315031 is 130513323001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100323315031 - 23 = 100323315023 is a prime.

It is a super-2 number, since 2×1003233150312 (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 = 100323314993 and 100323315011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323315331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23018316 + ... + 23022673.

It is an arithmetic number, because the mean of its divisors is an integer number (25092339550).

Almost surely, 2100323315031 is an apocalyptic number.

100323315031 is a deficient number, since it is larger than the sum of its proper divisors (46043169).

100323315031 is an equidigital number, since it uses as much as digits as its factorization.

100323315031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46043168.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 100323315031 its reverse (130513323001), we get a palindrome (230836638032).

The spelling of 100323315031 in words is "one hundred billion, three hundred twenty-three million, three hundred fifteen thousand, thirty-one".

Divisors: 1 2179 46040989 100323315031