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2110304031 = 31168393629
BaseRepresentation
bin111110111001000…
…1010111100011111
312110001220112220120
41331302022330133
513310214212111
6545223050023
7103203200613
oct17562127437
95401815816
102110304031
11993236720
124aa8a0913
13278287c14
141603ad343
15c5400406
hex7dc8af1f

2110304031 has 16 divisors (see below), whose sum is σ = 3074060160. Its totient is φ = 1277085920.

The previous prime is 2110304003. The next prime is 2110304033. The reversal of 2110304031 is 1304030112.

It is not a de Polignac number, because 2110304031 - 27 = 2110303903 is a prime.

It is a super-2 number, since 2×21103040312 = 8906766206509697922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2110304031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110304033) 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, 24276 + ... + 69353.

It is an arithmetic number, because the mean of its divisors is an integer number (192128760).

Almost surely, 22110304031 is an apocalyptic number.

2110304031 is a deficient number, since it is larger than the sum of its proper divisors (963756129).

2110304031 is a wasteful number, since it uses less digits than its factorization.

2110304031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94326.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2110304031 is about 45938.0455722705. The cubic root of 2110304031 is about 1282.6702133403.

Adding to 2110304031 its reverse (1304030112), we get a palindrome (3414334143).

The spelling of 2110304031 in words is "two billion, one hundred ten million, three hundred four thousand, thirty-one".

Divisors: 1 3 11 33 683 2049 7513 22539 93629 280887 1029919 3089757 63948607 191845821 703434677 2110304031