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1102241431 = 8231339297
BaseRepresentation
bin100000110110010…
…1101111010010111
32211211001122222201
41001230231322113
54224133211211
6301212505331
736212616604
oct10154557227
92754048881
101102241431
11516206335
1226917b247
13147486c85
14a65636ab
1566b7a0c1
hex41b2de97

1102241431 has 4 divisors (see below), whose sum is σ = 1103581552. Its totient is φ = 1100901312.

The previous prime is 1102241401. The next prime is 1102241449. The reversal of 1102241431 is 1341422011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102241431 - 27 = 1102241303 is a prime.

It is a super-2 number, since 2×11022414312 = 2429872344425855522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102241399 and 1102241408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102241401) 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 3 ways as a sum of consecutive naturals, for example, 668826 + ... + 670471.

It is an arithmetic number, because the mean of its divisors is an integer number (275895388).

Almost surely, 21102241431 is an apocalyptic number.

1102241431 is a deficient number, since it is larger than the sum of its proper divisors (1340121).

1102241431 is an equidigital number, since it uses as much as digits as its factorization.

1102241431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340120.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1102241431 is about 33200.0215511978. The cubic root of 1102241431 is about 1032.9807866248.

Adding to 1102241431 its reverse (1341422011), we get a palindrome (2443663442).

The spelling of 1102241431 in words is "one billion, one hundred two million, two hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 823 1339297 1102241431