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2031023345 = 513971312459
BaseRepresentation
bin111100100001110…
…1111010011110001
312020112201200020212
41321003233103301
513124420221340
6533311513505
7101221261601
oct17103572361
95215650225
102031023345
1195250699a
12488228895
13264a1a080
14153a52c01
15bd48ea65
hex790ef4f1

2031023345 has 32 divisors (see below), whose sum is σ = 2673095040. Its totient is φ = 1472440320.

The previous prime is 2031023317. The next prime is 2031023353. The reversal of 2031023345 is 5433201302.

It is not a de Polignac number, because 2031023345 - 210 = 2031022321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031023345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824726 + ... + 827184.

It is an arithmetic number, because the mean of its divisors is an integer number (83534220).

Almost surely, 22031023345 is an apocalyptic number.

It is an amenable number.

2031023345 is a deficient number, since it is larger than the sum of its proper divisors (642071695).

2031023345 is a wasteful number, since it uses less digits than its factorization.

2031023345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2031023345 is about 45066.8763616916. The cubic root of 2031023345 is about 1266.4021478652.

Adding to 2031023345 its reverse (5433201302), we get a palindrome (7464224647).

The spelling of 2031023345 in words is "two billion, thirty-one million, twenty-three thousand, three hundred forty-five".

Divisors: 1 5 13 65 97 131 485 655 1261 1703 2459 6305 8515 12295 12707 31967 63535 159835 165191 238523 322129 825955 1192615 1610645 3100799 4187677 15503995 20938385 31246513 156232565 406204669 2031023345