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23131322334 = 2331753244357
BaseRepresentation
bin10101100010101110…
…111111011111011110
32012201001122220222000
4111202232333133132
5334333104303314
614343144303130
71446133665351
oct254256773736
965631586860
1023131322334
1198a003491a
124596771aa6
13224834b7a3
141196114298
15905b00209
hex562bbf7de

23131322334 has 32 divisors (see below), whose sum is σ = 51432471840. Its totient is φ = 7706010816.

The previous prime is 23131322329. The next prime is 23131322351. The reversal of 23131322334 is 43322313132.

23131322334 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 1 + 322 + 334 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23131322298 and 23131322307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27517 + ... + 216840.

It is an arithmetic number, because the mean of its divisors is an integer number (1607264745).

Almost surely, 223131322334 is an apocalyptic number.

23131322334 is an abundant number, since it is smaller than the sum of its proper divisors (28301149506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131322334 is a wasteful number, since it uses less digits than its factorization.

23131322334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246121 (or 246115 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 23131322334 its reverse (43322313132), we get a palindrome (66453635466).

The spelling of 23131322334 in words is "twenty-three billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 1753 3506 5259 10518 15777 31554 47331 94662 244357 488714 733071 1466142 2199213 4398426 6597639 13195278 428357821 856715642 1285073463 2570146926 3855220389 7710440778 11565661167 23131322334