Search a number
-
+
1907119031 is a prime number
BaseRepresentation
bin111000110101100…
…0101001110110111
311220220120200111012
41301223011032313
512401210302111
6513124102435
765155146536
oct16153051667
94826520435
101907119031
11899578834
12452834a1b
13245156ccc
141413dc31d
15b266748b
hex71ac53b7

1907119031 has 2 divisors, whose sum is σ = 1907119032. Its totient is φ = 1907119030.

The previous prime is 1907119003. The next prime is 1907119033. The reversal of 1907119031 is 1309117091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1907119031 is a prime.

It is a super-2 number, since 2×19071190312 = 7274205996804757922, which contains 22 as substring.

Together with 1907119033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1907119033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953559515 + 953559516.

It is an arithmetic number, because the mean of its divisors is an integer number (953559516).

Almost surely, 21907119031 is an apocalyptic number.

1907119031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1907119031 is an equidigital number, since it uses as much as digits as its factorization.

1907119031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 32.

The square root of 1907119031 is about 43670.5739714971. The cubic root of 1907119031 is about 1240.1073075276.

The spelling of 1907119031 in words is "one billion, nine hundred seven million, one hundred nineteen thousand, thirty-one".