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34031042321 = 144723518343
BaseRepresentation
bin11111101100011010…
…000111111100010001
310020211200102001212212
4133230122013330101
51024143421323241
623344511201505
72313215041553
oct375432077421
9106750361785
1034031042321
11134836aa871
126718b16295
133294565043
14190b95d4d3
15d42981beb
hex7ec687f11

34031042321 has 4 divisors (see below), whose sum is σ = 34054562112. Its totient is φ = 34007522532.

The previous prime is 34031042317. The next prime is 34031042359. The reversal of 34031042321 is 12324013043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34031042321 - 22 = 34031042317 is a prime.

It is a super-2 number, since 2×340310423212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34031044321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11757725 + ... + 11760618.

It is an arithmetic number, because the mean of its divisors is an integer number (8513640528).

Almost surely, 234031042321 is an apocalyptic number.

It is an amenable number.

34031042321 is a deficient number, since it is larger than the sum of its proper divisors (23519791).

34031042321 is a wasteful number, since it uses less digits than its factorization.

34031042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23519790.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 34031042321 its reverse (12324013043), we get a palindrome (46355055364).

The spelling of 34031042321 in words is "thirty-four billion, thirty-one million, forty-two thousand, three hundred twenty-one".

Divisors: 1 1447 23518343 34031042321