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2345136431 = 11213194221
BaseRepresentation
bin1000101111000111…
…1111000100101111
320001102210021101212
42023301333010233
514300323331211
61024412225035
7112054221311
oct21361770457
96042707355
102345136431
11aa384a790
1255546b17b
132b4b198c1
1418365b7b1
15dad3a38b
hex8bc7f12f

2345136431 has 4 divisors (see below), whose sum is σ = 2558330664. Its totient is φ = 2131942200.

The previous prime is 2345136413. The next prime is 2345136449. The reversal of 2345136431 is 1346315432.

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

It is an interprime number because it is at equal distance from previous prime (2345136413) and next prime (2345136449).

It is a cyclic number.

It is not a de Polignac number, because 2345136431 - 214 = 2345120047 is a prime.

It is a super-2 number, since 2×23451364312 = 10999329760006835522, which 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 (2345136401) 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, 106597100 + ... + 106597121.

It is an arithmetic number, because the mean of its divisors is an integer number (639582666).

Almost surely, 22345136431 is an apocalyptic number.

2345136431 is a deficient number, since it is larger than the sum of its proper divisors (213194233).

2345136431 is a wasteful number, since it uses less digits than its factorization.

2345136431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213194232.

The product of its digits is 25920, while the sum is 32.

The square root of 2345136431 is about 48426.6087084363. The cubic root of 2345136431 is about 1328.5850803441.

The spelling of 2345136431 in words is "two billion, three hundred forty-five million, one hundred thirty-six thousand, four hundred thirty-one".

Divisors: 1 11 213194221 2345136431