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23131210007 is a prime number
BaseRepresentation
bin10101100010101110…
…100100000100010111
32012201001110012212202
4111202232210010113
5334333042210012
614343142035115
71446133020023
oct254256440427
965631405782
1023131210007
11989aa68494
124596718a9b
13224830c619
1411960c5383
15905acbcc2
hex562ba4117

23131210007 has 2 divisors, whose sum is σ = 23131210008. Its totient is φ = 23131210006.

The previous prime is 23131210001. The next prime is 23131210049. The reversal of 23131210007 is 70001213132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23131210007 - 216 = 23131144471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131210001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565605003 + 11565605004.

It is an arithmetic number, because the mean of its divisors is an integer number (11565605004).

Almost surely, 223131210007 is an apocalyptic number.

23131210007 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131210007 is an equidigital number, since it uses as much as digits as its factorization.

23131210007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 23131210007 its reverse (70001213132), we get a palindrome (93132423139).

The spelling of 23131210007 in words is "twenty-three billion, one hundred thirty-one million, two hundred ten thousand, seven".