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3130130233 = 31531905131
BaseRepresentation
bin1011101010010001…
…1111111100111001
322002010220002110101
42322210133330321
522402303131413
61234333315401
7140365445056
oct27244377471
98063802411
103130130233
11136697119a
12734335b61
133ab647389
142199dc02d
15134beaedd
hexba91ff39

3130130233 has 8 divisors (see below), whose sum is σ = 3292068096. Its totient is φ = 2972002800.

The previous prime is 3130130221. The next prime is 3130130291. The reversal of 3130130233 is 3320310313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3130130233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3130130233.

It is not an unprimeable number, because it can be changed into a prime (3130130203) 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, 950923 + ... + 954208.

It is an arithmetic number, because the mean of its divisors is an integer number (411508512).

Almost surely, 23130130233 is an apocalyptic number.

It is an amenable number.

3130130233 is a deficient number, since it is larger than the sum of its proper divisors (161937863).

3130130233 is a wasteful number, since it uses less digits than its factorization.

3130130233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905215.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 3130130233 is about 55947.5668192997. The cubic root of 3130130233 is about 1462.8084792883.

Adding to 3130130233 its reverse (3320310313), we get a palindrome (6450440546).

The spelling of 3130130233 in words is "three billion, one hundred thirty million, one hundred thirty thousand, two hundred thirty-three".

Divisors: 1 31 53 1643 1905131 59059061 100971943 3130130233