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23131313132 = 225782828283
BaseRepresentation
bin10101100010101110…
…111101001111101100
32012201001122110100012
4111202232331033230
5334333104010012
614343144152352
71446133626464
oct254256751754
965631573305
1023131313132
1198a0028a14
1245967686b8
132248347545
141196110ba4
15905aec622
hex562bbd3ec

23131313132 has 6 divisors (see below), whose sum is σ = 40479797988. Its totient is φ = 11565656564.

The previous prime is 23131313131. The next prime is 23131313147.

23131313132 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 23131313098 and 23131313107.

It is not an unprimeable number, because it can be changed into a prime (23131313131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2891414138 + ... + 2891414145.

It is an arithmetic number, because the mean of its divisors is an integer number (6746632998).

Almost surely, 223131313132 is an apocalyptic number.

It is an amenable number.

23131313132 is a deficient number, since it is larger than the sum of its proper divisors (17348484856).

23131313132 is a wasteful number, since it uses less digits than its factorization.

23131313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782828287 (or 5782828285 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

The spelling of 23131313132 in words is "twenty-three billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 4 5782828283 11565656566 23131313132