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11422351231 = 193127946273
BaseRepresentation
bin10101010001101001…
…10011111101111111
31002111001011120012121
422220310303331333
5141343110214411
65125232343411
7553025245354
oct125064637577
932431146177
1011422351231
11493168a5a5
1222693a4b67
131100593615
147a501262b
1546cbba571
hex2a8d33f7f

11422351231 has 8 divisors (see below), whose sum is σ = 11490759680. Its totient is φ = 11354038272.

The previous prime is 11422351229. The next prime is 11422351243. The reversal of 11422351231 is 13215322411.

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

It is a cyclic number.

It is not a de Polignac number, because 11422351231 - 21 = 11422351229 is a prime.

It is a super-2 number, since 2×114223512312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11422351196 and 11422351205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422351211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223711 + ... + 269983.

It is an arithmetic number, because the mean of its divisors is an integer number (1436344960).

Almost surely, 211422351231 is an apocalyptic number.

11422351231 is a deficient number, since it is larger than the sum of its proper divisors (68408449).

11422351231 is a wasteful number, since it uses less digits than its factorization.

11422351231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47745.

The product of its digits is 1440, while the sum is 25.

Adding to 11422351231 its reverse (13215322411), we get a palindrome (24637673642).

The spelling of 11422351231 in words is "eleven billion, four hundred twenty-two million, three hundred fifty-one thousand, two hundred thirty-one".

Divisors: 1 193 1279 46273 246847 8930689 59183167 11422351231