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113331303221 = 3124371500143
BaseRepresentation
bin110100110001100010…
…0100111001100110101
3101211112020211201021212
41221203010213030311
53324100303200341
6124021431051205
711121312116513
oct1514304471465
9354466751255
10113331303221
1144077625574
1219b6a510b05
13a8c171c446
1456b17cb4b3
152e347d05eb
hex1a63127335

113331303221 has 8 divisors (see below), whose sum is σ = 117035234304. Its totient is φ = 109630377360.

The previous prime is 113331303193. The next prime is 113331303223. The reversal of 113331303221 is 122303133311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113331303221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331303223) 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, 674525 + ... + 825618.

It is an arithmetic number, because the mean of its divisors is an integer number (14629404288).

Almost surely, 2113331303221 is an apocalyptic number.

It is an amenable number.

113331303221 is a deficient number, since it is larger than the sum of its proper divisors (3703931083).

113331303221 is a wasteful number, since it uses less digits than its factorization.

113331303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502611.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 113331303221 its reverse (122303133311), we get a palindrome (235634436532).

The spelling of 113331303221 in words is "one hundred thirteen billion, three hundred thirty-one million, three hundred three thousand, two hundred twenty-one".

Divisors: 1 31 2437 75547 1500143 46504433 3655848491 113331303221