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22131413461 is a prime number
BaseRepresentation
bin10100100111001000…
…101001000111010101
32010010101011021212001
4110213020221013111
5330311120212321
614100024555301
71412302624213
oct244710510725
963111137761
1022131413461
119427673553
124357922b31
132119143c31
1410dd3cbcb3
15897e3ac91
hex5272291d5

22131413461 has 2 divisors, whose sum is σ = 22131413462. Its totient is φ = 22131413460.

The previous prime is 22131413413. The next prime is 22131413527. The reversal of 22131413461 is 16431413122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20418695236 + 1712718225 = 142894^2 + 41385^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131413461 - 217 = 22131282389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22131413261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065706730 + 11065706731.

It is an arithmetic number, because the mean of its divisors is an integer number (11065706731).

Almost surely, 222131413461 is an apocalyptic number.

It is an amenable number.

22131413461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131413461 is an equidigital number, since it uses as much as digits as its factorization.

22131413461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 22131413461 its reverse (16431413122), we get a palindrome (38562826583).

The spelling of 22131413461 in words is "twenty-two billion, one hundred thirty-one million, four hundred thirteen thousand, four hundred sixty-one".