Search a number
-
+
1011013111 is a prime number
BaseRepresentation
bin111100010000101…
…101010111110111
32121110101210021001
4330100231113313
54032304404421
6244153304131
734024320043
oct7420552767
92543353231
101011013111
11479766129
12242705047
131315c4c14
14983b7023
155db59691
hex3c42d5f7

1011013111 has 2 divisors, whose sum is σ = 1011013112. Its totient is φ = 1011013110.

The previous prime is 1011013079. The next prime is 1011013117. The reversal of 1011013111 is 1113101101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011013111 - 25 = 1011013079 is a prime.

It is a super-2 number, since 2×10110131112 = 2044295021227796642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011013117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505506555 + 505506556.

It is an arithmetic number, because the mean of its divisors is an integer number (505506556).

Almost surely, 21011013111 is an apocalyptic number.

1011013111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011013111 is an equidigital number, since it uses as much as digits as its factorization.

1011013111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 10.

The square root of 1011013111 is about 31796.4323627667. The cubic root of 1011013111 is about 1003.6576423414.

Adding to 1011013111 its reverse (1113101101), we get a palindrome (2124114212).

The spelling of 1011013111 in words is "one billion, eleven million, thirteen thousand, one hundred eleven".