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2131333319 is a prime number
BaseRepresentation
bin111111100001001…
…1001000011000111
312111112110221200002
41333002121003013
513331110131234
6551253511515
7103550014523
oct17702310307
95445427602
102131333319
119a409a2a5
124b594259b
1327c73b99b
141630c4d83
15c71a627e
hex7f0990c7

2131333319 has 2 divisors, whose sum is σ = 2131333320. Its totient is φ = 2131333318.

The previous prime is 2131333307. The next prime is 2131333343. The reversal of 2131333319 is 9133331312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131333319 - 28 = 2131333063 is a prime.

It is a super-2 number, since 2×21313333192 = 9085163433359111522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131333291 and 2131333300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131333349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065666659 + 1065666660.

It is an arithmetic number, because the mean of its divisors is an integer number (1065666660).

Almost surely, 22131333319 is an apocalyptic number.

2131333319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131333319 is an equidigital number, since it uses as much as digits as its factorization.

2131333319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 29.

The square root of 2131333319 is about 46166.3656680922. The cubic root of 2131333319 is about 1286.9167635654.

The spelling of 2131333319 in words is "two billion, one hundred thirty-one million, three hundred thirty-three thousand, three hundred nineteen".