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1031104421 = 23270716561
BaseRepresentation
bin111101011101010…
…110011110100101
32122212012112100122
4331131112132211
54102430320141
6250152051325
734360146224
oct7535263645
92585175318
101031104421
1148a039016
12249393b45
1313580aa79
149ad26cbb
15607c764b
hex3d7567a5

1031104421 has 8 divisors (see below), whose sum is σ = 1076397504. Its totient is φ = 985849920.

The previous prime is 1031104381. The next prime is 1031104429. The reversal of 1031104421 is 1244011301.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-1031104421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031104421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031104429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53981 + ... + 70541.

It is an arithmetic number, because the mean of its divisors is an integer number (134549688).

Almost surely, 21031104421 is an apocalyptic number.

It is an amenable number.

1031104421 is a deficient number, since it is larger than the sum of its proper divisors (45293083).

1031104421 is a wasteful number, since it uses less digits than its factorization.

1031104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1031104421 is about 32110.8147047066. The cubic root of 1031104421 is about 1010.2624619340.

Adding to 1031104421 its reverse (1244011301), we get a palindrome (2275115722).

The spelling of 1031104421 in words is "one billion, thirty-one million, one hundred four thousand, four hundred twenty-one".

Divisors: 1 23 2707 16561 62261 380903 44830627 1031104421