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3031023421 = 232910614283
BaseRepresentation
bin1011010010101001…
…1011111100111101
321211020101221110201
42310222123330331
522201420222141
61220433203501
7135053162656
oct26452337475
97736357421
103031023421
111315a2a838
12707100591
13393c572aa
1420a7a052d
1512b171031
hexb4a9bf3d

3031023421 has 16 divisors (see below), whose sum is σ = 3275717760. Its totient is φ = 2795974720.

The previous prime is 3031023409. The next prime is 3031023487. The reversal of 3031023421 is 1243201303.

It is a cyclic number.

It is not a de Polignac number, because 3031023421 - 25 = 3031023389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031083421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705546 + ... + 709828.

It is an arithmetic number, because the mean of its divisors is an integer number (204732360).

Almost surely, 23031023421 is an apocalyptic number.

It is an amenable number.

3031023421 is a deficient number, since it is larger than the sum of its proper divisors (244694339).

3031023421 is a wasteful number, since it uses less digits than its factorization.

3031023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3031023421 is about 55054.7311409292. The cubic root of 3031023421 is about 1447.2040328222.

Adding to 3031023421 its reverse (1243201303), we get a palindrome (4274224724).

The spelling of 3031023421 in words is "three billion, thirty-one million, twenty-three thousand, four hundred twenty-one".

Divisors: 1 23 29 667 1061 4283 24403 30769 98509 124207 707687 2856761 4544263 104518049 131783627 3031023421