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2031000141 = 32179310693
BaseRepresentation
bin111100100001110…
…1001101001001101
312020112200111102110
41321003221221031
513124414001031
6533311214233
7101221134132
oct17103515115
95215614373
102031000141
119524a0515
12488217379
13264a0c641
14153a48589
15bd487c46
hex790e9a4d

2031000141 has 8 divisors (see below), whose sum is σ = 2709251680. Its totient is φ = 1353374352.

The previous prime is 2031000137. The next prime is 2031000229. The reversal of 2031000141 is 1410001302.

It is a happy number.

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

It is not a de Polignac number, because 2031000141 - 22 = 2031000137 is a prime.

It is a super-3 number, since 3×20310001413 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031000241) 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, 148810 + ... + 161883.

It is an arithmetic number, because the mean of its divisors is an integer number (338656460).

Almost surely, 22031000141 is an apocalyptic number.

It is an amenable number.

2031000141 is a deficient number, since it is larger than the sum of its proper divisors (678251539).

2031000141 is a wasteful number, since it uses less digits than its factorization.

2031000141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312875.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2031000141 is about 45066.6189213258. The cubic root of 2031000141 is about 1266.3973250571.

Adding to 2031000141 its reverse (1410001302), we get a palindrome (3441001443).

The spelling of 2031000141 in words is "two billion, thirty-one million, one hundred forty-one", and thus it is an aban number.

Divisors: 1 3 2179 6537 310693 932079 677000047 2031000141