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2023207131 = 31161309307
BaseRepresentation
bin111100010010111…
…1011000011011011
312020000000120102110
41320211323003123
513120420112011
6532432203403
7101064656031
oct17045730333
95200016373
102023207131
11949058510
12485699563
132632114aa
141529ba551
15bc948ba6
hex7897b0db

2023207131 has 8 divisors (see below), whose sum is σ = 2942846784. Its totient is φ = 1226186120.

The previous prime is 2023207129. The next prime is 2023207141. The reversal of 2023207131 is 1317023202.

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

It is a cyclic number.

It is not a de Polignac number, because 2023207131 - 21 = 2023207129 is a prime.

It is a super-2 number, since 2×20232071312 = 8186734189858502322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2023207098 and 2023207107.

It is not an unprimeable number, because it can be changed into a prime (2023207141) 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, 30654621 + ... + 30654686.

It is an arithmetic number, because the mean of its divisors is an integer number (367855848).

Almost surely, 22023207131 is an apocalyptic number.

2023207131 is a deficient number, since it is larger than the sum of its proper divisors (919639653).

2023207131 is a wasteful number, since it uses less digits than its factorization.

2023207131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61309321.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2023207131 is about 44980.0748220809. The cubic root of 2023207131 is about 1264.7755138113.

The spelling of 2023207131 in words is "two billion, twenty-three million, two hundred seven thousand, one hundred thirty-one".

Divisors: 1 3 11 33 61309307 183927921 674402377 2023207131