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113143342431 = 375387778211
BaseRepresentation
bin110100101011111011…
…1100110010101011111
3101211001011011022120010
41221113313212111133
53323204143424211
6123551034254303
711113540354050
oct1512767462537
9354034138503
10113143342431
1143a90515879
1219b17587393
13a8917bbc42
145694860727
152e230534a6
hex1a57de655f

113143342431 has 8 divisors (see below), whose sum is σ = 172408902784. Its totient is φ = 64653338520.

The previous prime is 113143342423. The next prime is 113143342439. The reversal of 113143342431 is 134243341311.

It is an interprime number because it is at equal distance from previous prime (113143342423) and next prime (113143342439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113143342431 - 23 = 113143342423 is a prime.

It is a super-2 number, since 2×1131433424312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113143342439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693889085 + ... + 2693889126.

It is an arithmetic number, because the mean of its divisors is an integer number (21551112848).

Almost surely, 2113143342431 is an apocalyptic number.

113143342431 is a deficient number, since it is larger than the sum of its proper divisors (59265560353).

113143342431 is an equidigital number, since it uses as much as digits as its factorization.

113143342431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387778221.

The product of its digits is 10368, while the sum is 30.

Adding to 113143342431 its reverse (134243341311), we get a palindrome (247386683742).

The spelling of 113143342431 in words is "one hundred thirteen billion, one hundred forty-three million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 7 21 5387778211 16163334633 37714447477 113143342431