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101431204043 = 137802400311
BaseRepresentation
bin101111001110111000…
…1010101100011001011
3100200210220201001002212
41132131301111203023
53130212342012133
6114332530415335
710220363003021
oct1363561254313
9320726631085
10101431204043
113a0202a7964
12177a913154b
139746195240
144ca3176711
152989be5148
hex179dc558cb

101431204043 has 4 divisors (see below), whose sum is σ = 109233604368. Its totient is φ = 93628803720.

The previous prime is 101431204019. The next prime is 101431204067. The reversal of 101431204043 is 340402134101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340402134101 = 2314800092787.

It is an interprime number because it is at equal distance from previous prime (101431204019) and next prime (101431204067).

It is a cyclic number.

It is not a de Polignac number, because 101431204043 - 228 = 101162768587 is a prime.

It is a super-2 number, since 2×1014312040432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101431204643) 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, 3901200143 + ... + 3901200168.

It is an arithmetic number, because the mean of its divisors is an integer number (27308401092).

Almost surely, 2101431204043 is an apocalyptic number.

101431204043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101431204043 is a deficient number, since it is larger than the sum of its proper divisors (7802400325).

101431204043 is an equidigital number, since it uses as much as digits as its factorization.

101431204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7802400324.

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

Adding to 101431204043 its reverse (340402134101), we get a palindrome (441833338144).

The spelling of 101431204043 in words is "one hundred one billion, four hundred thirty-one million, two hundred four thousand, forty-three".

Divisors: 1 13 7802400311 101431204043