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230153131 = 1341431807
BaseRepresentation
bin11011011011111…
…01101110101011
3121001001222202001
431231331232223
5432404400011
634500551431
75463161245
oct1555755653
9531058661
10230153131
11108a084aa
12650b2577
13388b3bb0
14227d1095
15153137c1
hexdb7dbab

230153131 has 8 divisors (see below), whose sum is σ = 253903104. Its totient is φ = 207266880.

The previous prime is 230153129. The next prime is 230153153. The reversal of 230153131 is 131351032.

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 230153131 - 21 = 230153129 is a prime.

It is a super-2 number, since 2×2301531312 = 105940927418206322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230153099 and 230153108.

It is not an unprimeable number, because it can be changed into a prime (230153731) 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, 215371 + ... + 216436.

It is an arithmetic number, because the mean of its divisors is an integer number (31737888).

Almost surely, 2230153131 is an apocalyptic number.

230153131 is a deficient number, since it is larger than the sum of its proper divisors (23749973).

230153131 is a wasteful number, since it uses less digits than its factorization.

230153131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431861.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 230153131 is about 15170.7986276267. The cubic root of 230153131 is about 612.8285115973.

The spelling of 230153131 in words is "two hundred thirty million, one hundred fifty-three thousand, one hundred thirty-one".

Divisors: 1 13 41 533 431807 5613491 17704087 230153131