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2431244231 = 13587318601
BaseRepresentation
bin1001000011101001…
…1101011111000111
320021102211000002122
42100322131133013
514434344303411
61041130000155
7114151143413
oct22072353707
96242730078
102431244231
111038412859
1257a27605b
132c9908070
14190c73d43
15e36989db
hex90e9d7c7

2431244231 has 8 divisors (see below), whose sum is σ = 2622731664. Its totient is φ = 2240395200.

The previous prime is 2431244219. The next prime is 2431244269. The reversal of 2431244231 is 1324421342.

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

It is a cyclic number.

It is not a de Polignac number, because 2431244231 - 222 = 2427049927 is a prime.

It is a super-2 number, since 2×24312442312 = 11821897021541562722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2431244231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431244201) 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, 151670 + ... + 166931.

It is an arithmetic number, because the mean of its divisors is an integer number (327841458).

Almost surely, 22431244231 is an apocalyptic number.

2431244231 is a deficient number, since it is larger than the sum of its proper divisors (191487433).

2431244231 is a wasteful number, since it uses less digits than its factorization.

2431244231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319201.

The product of its digits is 4608, while the sum is 26.

The square root of 2431244231 is about 49307.6488082731. The cubic root of 2431244231 is about 1344.6508458315.

Adding to 2431244231 its reverse (1324421342), we get a palindrome (3755665573).

The spelling of 2431244231 in words is "two billion, four hundred thirty-one million, two hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 13 587 7631 318601 4141813 187018787 2431244231