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2031003131 = 10374326539
BaseRepresentation
bin111100100001110…
…1010010111111011
312020112200122112012
41321003222113323
513124414100011
6533311240135
7101221145633
oct17103522773
95215618465
102031003131
119524a2793
1248821904b
13264a10b01
14153a496c3
15bd488a8b
hex790ea5fb

2031003131 has 8 divisors (see below), whose sum is σ = 2053559040. Its totient is φ = 2008501992.

The previous prime is 2031003097. The next prime is 2031003137. The reversal of 2031003131 is 1313001302.

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-2031003131 is a prime.

It is a super-2 number, since 2×20310031312 = 8249947436263606322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031003137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63260 + ... + 89798.

It is an arithmetic number, because the mean of its divisors is an integer number (256694880).

Almost surely, 22031003131 is an apocalyptic number.

2031003131 is a deficient number, since it is larger than the sum of its proper divisors (22555909).

2031003131 is a wasteful number, since it uses less digits than its factorization.

2031003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27385.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2031003131 is about 45066.6520944257. The cubic root of 2031003131 is about 1266.3979465122.

Adding to 2031003131 its reverse (1313001302), we get a palindrome (3344004433).

The spelling of 2031003131 in words is "two billion, thirty-one million, three thousand, one hundred thirty-one".

Divisors: 1 103 743 26539 76529 2733517 19718477 2031003131