Search a number
-
+
1031022103 = 1760648359
BaseRepresentation
bin111101011101000…
…010011000010111
32122212001100102211
4331131002120113
54102420201403
6250150214251
734356354226
oct7535023027
92585040384
101031022103
11489a92191
12249354387
131357ac467
149ad04cbd
15607ad06d
hex3d742617

1031022103 has 4 divisors (see below), whose sum is σ = 1091670480. Its totient is φ = 970373728.

The previous prime is 1031022079. The next prime is 1031022151. The reversal of 1031022103 is 3012201301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3012201301 = 25431184507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031022103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031022163) 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, 30324163 + ... + 30324196.

It is an arithmetic number, because the mean of its divisors is an integer number (272917620).

Almost surely, 21031022103 is an apocalyptic number.

1031022103 is a deficient number, since it is larger than the sum of its proper divisors (60648377).

1031022103 is an equidigital number, since it uses as much as digits as its factorization.

1031022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60648376.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1031022103 is about 32109.5328991251. The cubic root of 1031022103 is about 1010.2355765229.

Adding to 1031022103 its reverse (3012201301), we get a palindrome (4043223404).

The spelling of 1031022103 in words is "one billion, thirty-one million, twenty-two thousand, one hundred three".

Divisors: 1 17 60648359 1031022103