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2201032031 = 11200093821
BaseRepresentation
bin1000001100110001…
…0001010101011111
312200101122000022212
42003030101111133
514001431011111
61002223431035
7105354315002
oct20314212537
95611560285
102201032031
11a2a474a40
1251515547b
13291003323
1416c469539
15cd37298b
hex8331155f

2201032031 has 4 divisors (see below), whose sum is σ = 2401125864. Its totient is φ = 2000938200.

The previous prime is 2201032003. The next prime is 2201032037. The reversal of 2201032031 is 1302301022.

It is a happy number.

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 2201032031 - 230 = 1127290207 is a prime.

It is a super-2 number, since 2×22010320312 = 9689084002975969922, 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 = 2201031997 and 2201032015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201032037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100046900 + ... + 100046921.

It is an arithmetic number, because the mean of its divisors is an integer number (600281466).

Almost surely, 22201032031 is an apocalyptic number.

2201032031 is a deficient number, since it is larger than the sum of its proper divisors (200093833).

2201032031 is a wasteful number, since it uses less digits than its factorization.

2201032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200093832.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2201032031 is about 46915.1577957487. The cubic root of 2201032031 is about 1300.7947863757.

Adding to 2201032031 its reverse (1302301022), we get a palindrome (3503333053).

The spelling of 2201032031 in words is "two billion, two hundred one million, thirty-two thousand, thirty-one".

Divisors: 1 11 200093821 2201032031