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1130022631 = 1171796443
BaseRepresentation
bin100001101011010…
…1100011011100111
32220202100002122001
41003112230123213
54303241211011
6304044150131
740001014423
oct10326543347
92822302561
101130022631
1152a960801
12276538347
1315016305a
14aa115b83
15693167c1
hex435ac6e7

1130022631 has 4 divisors (see below), whose sum is σ = 1130130792. Its totient is φ = 1129914472.

The previous prime is 1130022617. The next prime is 1130022667. The reversal of 1130022631 is 1362200311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1362200311 = 4331679077.

It is a cyclic number.

It is not a de Polignac number, because 1130022631 - 25 = 1130022599 is a prime.

It is a super-2 number, since 2×11300226312 = 2553902293144324322, 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 = 1130022599 and 1130022608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130022031) 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, 36505 + ... + 59938.

It is an arithmetic number, because the mean of its divisors is an integer number (282532698).

Almost surely, 21130022631 is an apocalyptic number.

1130022631 is a deficient number, since it is larger than the sum of its proper divisors (108161).

1130022631 is an equidigital number, since it uses as much as digits as its factorization.

1130022631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108160.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1130022631 is about 33615.8092420813. The cubic root of 1130022631 is about 1041.5873906545.

Adding to 1130022631 its reverse (1362200311), we get a palindrome (2492222942).

The spelling of 1130022631 in words is "one billion, one hundred thirty million, twenty-two thousand, six hundred thirty-one".

Divisors: 1 11717 96443 1130022631