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23131014131 is a prime number
BaseRepresentation
bin10101100010101101…
…110100001111110011
32012201001002021012002
4111202231310033303
5334333014423011
614343133524215
71446131242661
oct254255641763
965631067162
1023131014131
11989a944305
12459664366b
132248271414
141196073c31
15905a8dc3b
hex562b743f3

23131014131 has 2 divisors, whose sum is σ = 23131014132. Its totient is φ = 23131014130.

The previous prime is 23131014119. The next prime is 23131014173. The reversal of 23131014131 is 13141013132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23131014131 is a prime.

It is a super-2 number, since 2×231310141312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23131094131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565507065 + 11565507066.

It is an arithmetic number, because the mean of its divisors is an integer number (11565507066).

Almost surely, 223131014131 is an apocalyptic number.

23131014131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131014131 is an equidigital number, since it uses as much as digits as its factorization.

23131014131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23131014131 its reverse (13141013132), we get a palindrome (36272027263).

Subtracting from 23131014131 its reverse (13141013132), we obtain a palindrome (9990000999).

The spelling of 23131014131 in words is "twenty-three billion, one hundred thirty-one million, fourteen thousand, one hundred thirty-one".