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3113878431 = 31558166617
BaseRepresentation
bin1011100110011010…
…0000001110011111
322001000022102011210
42321212200032133
522334123102211
61232553115503
7140110346526
oct27146401637
98030272153
103113878431
111358780a54
1272a9b8b93
133a8177021
142177ab4bd
1513358a9a6
hexb99a039f

3113878431 has 8 divisors (see below), whose sum is σ = 4152166704. Its totient is φ = 2075754560.

The previous prime is 3113878429. The next prime is 3113878433. The reversal of 3113878431 is 1348783113.

It is an interprime number because it is at equal distance from previous prime (3113878429) and next prime (3113878433).

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 3113878431 - 21 = 3113878429 is a prime.

It is a super-2 number, since 2×31138784312 = 19392477766094043522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3113878431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113878433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13435 + ... + 80051.

It is an arithmetic number, because the mean of its divisors is an integer number (519020838).

Almost surely, 23113878431 is an apocalyptic number.

3113878431 is a deficient number, since it is larger than the sum of its proper divisors (1038288273).

3113878431 is a wasteful number, since it uses less digits than its factorization.

3113878431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82201.

The product of its digits is 48384, while the sum is 39.

The square root of 3113878431 is about 55802.1364375953. The cubic root of 3113878431 is about 1460.2724253949.

The spelling of 3113878431 in words is "three billion, one hundred thirteen million, eight hundred seventy-eight thousand, four hundred thirty-one".

Divisors: 1 3 15581 46743 66617 199851 1037959477 3113878431