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2031313033 = 29538315923
BaseRepresentation
bin111100100010011…
…0110000010001001
312020120021101122001
41321010312002021
513130004004113
6533322031001
7101223606301
oct17104660211
95216241561
102031313033
11952694602
12488348461
13264abbb99
14153aca601
15bd4ea7dd
hex79136089

2031313033 has 16 divisors (see below), whose sum is σ = 2166937920. Its totient is φ = 1900959424.

The previous prime is 2031313019. The next prime is 2031313049. The reversal of 2031313033 is 3303131302.

It is a cyclic number.

It is not a de Polignac number, because 2031313033 - 25 = 2031313001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031313033.

It is not an unprimeable number, because it can be changed into a prime (2031313073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119610 + ... + 135532.

It is an arithmetic number, because the mean of its divisors is an integer number (135433620).

Almost surely, 22031313033 is an apocalyptic number.

It is an amenable number.

2031313033 is a deficient number, since it is larger than the sum of its proper divisors (135624887).

2031313033 is a wasteful number, since it uses less digits than its factorization.

2031313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 2031313033 is about 45070.0902262243. The cubic root of 2031313033 is about 1266.4623546349.

Adding to 2031313033 its reverse (3303131302), we get a palindrome (5334444335).

The spelling of 2031313033 in words is "two billion, thirty-one million, three hundred thirteen thousand, thirty-three".

Divisors: 1 29 53 83 1537 2407 4399 15923 127571 461767 843919 1321609 24473651 38326661 70045277 2031313033