Search a number
-
+
1031013103 = 3747592877
BaseRepresentation
bin111101011101000…
…000001011101111
32122212000220002111
4331131000023233
54102414404403
6250150104451
734356316051
oct7535001357
92585026074
101031013103
11489a8644a
1224934b127
131357a8333
149ad018d1
15607aa56d
hex3d7402ef

1031013103 has 8 divisors (see below), whose sum is σ = 1081409472. Its totient is φ = 981802656.

The previous prime is 1031013079. The next prime is 1031013119. The reversal of 1031013103 is 3013101301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031013103 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 (1031013163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294700 + ... + 298177.

It is an arithmetic number, because the mean of its divisors is an integer number (135176184).

Almost surely, 21031013103 is an apocalyptic number.

1031013103 is a deficient number, since it is larger than the sum of its proper divisors (50396369).

1031013103 is an equidigital number, since it uses as much as digits as its factorization.

1031013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592961.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1031013103 is about 32109.3927535231. The cubic root of 1031013103 is about 1010.2326369976.

Adding to 1031013103 its reverse (3013101301), we get a palindrome (4044114404).

The spelling of 1031013103 in words is "one billion, thirty-one million, thirteen thousand, one hundred three".

Divisors: 1 37 47 1739 592877 21936449 27865219 1031013103