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3102054431 = 71637270709
BaseRepresentation
bin1011100011100101…
…1001100000011111
322000012001200200212
42320321121200133
522323111220211
61231451443035
7136605012320
oct27071314037
98005050625
103102054431
111352035453
12726a5647b
133a5897188
14215db0447
1513250238b
hexb8e5981f

3102054431 has 8 divisors (see below), whose sum is σ = 3547383840. Its totient is φ = 2657269728.

The previous prime is 3102054391. The next prime is 3102054479. The reversal of 3102054431 is 1344502013.

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 3102054431 - 214 = 3102038047 is a prime.

It is a super-2 number, since 2×31020544312 = 19245483385773467522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3102054397 and 3102054406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101054431) 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, 123896 + ... + 146813.

It is an arithmetic number, because the mean of its divisors is an integer number (443422980).

Almost surely, 23102054431 is an apocalyptic number.

3102054431 is a deficient number, since it is larger than the sum of its proper divisors (445329409).

3102054431 is a wasteful number, since it uses less digits than its factorization.

3102054431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272353.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3102054431 is about 55696.0899076407. The cubic root of 3102054431 is about 1458.4217684936.

Adding to 3102054431 its reverse (1344502013), we get a palindrome (4446556444).

The spelling of 3102054431 in words is "three billion, one hundred two million, fifty-four thousand, four hundred thirty-one".

Divisors: 1 7 1637 11459 270709 1894963 443150633 3102054431