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2031111341 = 74110964927
BaseRepresentation
bin111100100010000…
…0100110010101101
312020112220010221222
41321010010302231
513124431030331
6533313433125
7101222106260
oct17104046255
95215803858
102031111341
11952567016
1248826b7a5
13264a4b13c
14153a76cd7
15bd4aab7b
hex79104cad

2031111341 has 16 divisors (see below), whose sum is σ = 2399738880. Its totient is φ = 1682881920.

The previous prime is 2031111323. The next prime is 2031111373. The reversal of 2031111341 is 1431111302.

It is a cyclic number.

It is not a de Polignac number, because 2031111341 - 214 = 2031094957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031111241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181 + ... + 63746.

It is an arithmetic number, because the mean of its divisors is an integer number (149983680).

Almost surely, 22031111341 is an apocalyptic number.

It is an amenable number.

2031111341 is a deficient number, since it is larger than the sum of its proper divisors (368627539).

2031111341 is a wasteful number, since it uses less digits than its factorization.

2031111341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65084.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2031111341 is about 45067.8526335569. The cubic root of 2031111341 is about 1266.4204369565.

Adding to 2031111341 its reverse (1431111302), we get a palindrome (3462222643).

The spelling of 2031111341 in words is "two billion, thirty-one million, one hundred eleven thousand, three hundred forty-one".

Divisors: 1 7 41 109 287 763 4469 31283 64927 454489 2662007 7077043 18634049 49539301 290158763 2031111341