Search a number
-
+
1031101423 = 1193736493
BaseRepresentation
bin111101011101010…
…101101111101111
32122212012101020121
4331131111233233
54102430221143
6250152025411
734360134412
oct7535255757
92585171217
101031101423
1148a036840
12249392267
131358095b1
149ad25b79
15607c67ed
hex3d755bef

1031101423 has 4 divisors (see below), whose sum is σ = 1124837928. Its totient is φ = 937364920.

The previous prime is 1031101411. The next prime is 1031101427. The reversal of 1031101423 is 3241011301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031101423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031101397 and 1031101406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031101427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46868236 + ... + 46868257.

It is an arithmetic number, because the mean of its divisors is an integer number (281209482).

Almost surely, 21031101423 is an apocalyptic number.

1031101423 is a deficient number, since it is larger than the sum of its proper divisors (93736505).

1031101423 is an equidigital number, since it uses as much as digits as its factorization.

1031101423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93736504.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1031101423 is about 32110.7680225808. The cubic root of 1031101423 is about 1010.2614827995.

Adding to 1031101423 its reverse (3241011301), we get a palindrome (4272112724).

The spelling of 1031101423 in words is "one billion, thirty-one million, one hundred one thousand, four hundred twenty-three".

Divisors: 1 11 93736493 1031101423