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101421233031 = 333807077677
BaseRepresentation
bin101111001110100101…
…1010011001110000111
3100200210012221110110010
41132131023103032013
53130202313424111
6114331533001303
710220212154016
oct1363513231607
9320705843403
10101421233031
113a015707558
12177a5923233
1397440b3931
144ca1adca7d
152988dc5aa6
hex179d2d3387

101421233031 has 4 divisors (see below), whose sum is σ = 135228310712. Its totient is φ = 67614155352.

The previous prime is 101421233003. The next prime is 101421233047. The reversal of 101421233031 is 130332124101.

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

It is not a de Polignac number, because 101421233031 - 25 = 101421232999 is a prime.

It is a super-2 number, since 2×1014212330312 (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 = 101421232989 and 101421233007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421233531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16903538836 + ... + 16903538841.

It is an arithmetic number, because the mean of its divisors is an integer number (33807077678).

Almost surely, 2101421233031 is an apocalyptic number.

101421233031 is a deficient number, since it is larger than the sum of its proper divisors (33807077681).

101421233031 is an equidigital number, since it uses as much as digits as its factorization.

101421233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33807077680.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 101421233031 its reverse (130332124101), we get a palindrome (231753357132).

The spelling of 101421233031 in words is "one hundred one billion, four hundred twenty-one million, two hundred thirty-three thousand, thirty-one".

Divisors: 1 3 33807077677 101421233031