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190413131 is a prime number
BaseRepresentation
bin10110101100101…
…11100101001011
3111021021222201012
423112113211023
5342221210011
630521114135
74501325216
oct1326274513
9437258635
10190413131
1198535227
125392894b
13305ab7bc
141b40877d
1511ab3a8b
hexb59794b

190413131 has 2 divisors, whose sum is σ = 190413132. Its totient is φ = 190413130.

The previous prime is 190413109. The next prime is 190413133. The reversal of 190413131 is 131314091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190413131 - 210 = 190412107 is a prime.

It is a super-2 number, since 2×1904131312 = 72514320914446322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 190413133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 190413097 and 190413106.

It is not a weakly prime, because it can be changed into another prime (190413133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95206565 + 95206566.

It is an arithmetic number, because the mean of its divisors is an integer number (95206566).

Almost surely, 2190413131 is an apocalyptic number.

190413131 is a deficient number, since it is larger than the sum of its proper divisors (1).

190413131 is an equidigital number, since it uses as much as digits as its factorization.

190413131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 190413131 is about 13799.0264511668. The cubic root of 190413131 is about 575.3060812738.

The spelling of 190413131 in words is "one hundred ninety million, four hundred thirteen thousand, one hundred thirty-one".