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3130513203 = 31043504401
BaseRepresentation
bin1011101010010111…
…1101011100110011
322002011121112210110
42322211331130303
522402402410303
61234345432403
7140401631436
oct27245753463
98064545713
103130513203
1113671029a4
1273449b703
133ab74c79c
14219a9b81d
15134c74703
hexba97d733

3130513203 has 4 divisors (see below), whose sum is σ = 4174017608. Its totient is φ = 2087008800.

The previous prime is 3130513181. The next prime is 3130513213. The reversal of 3130513203 is 3023150313.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3130513203 - 213 = 3130505011 is a prime.

It is a super-2 number, since 2×31305132032 = 19600225828314638418, which contains 22 as substring.

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 3130513203.

It is not an unprimeable number, because it can be changed into a prime (3130513213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521752198 + ... + 521752203.

It is an arithmetic number, because the mean of its divisors is an integer number (1043504402).

Almost surely, 23130513203 is an apocalyptic number.

3130513203 is a deficient number, since it is larger than the sum of its proper divisors (1043504405).

3130513203 is a wasteful number, since it uses less digits than its factorization.

3130513203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043504404.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 3130513203 is about 55950.9892942028. The cubic root of 3130513203 is about 1462.8681348379.

Adding to 3130513203 its reverse (3023150313), we get a palindrome (6153663516).

The spelling of 3130513203 in words is "three billion, one hundred thirty million, five hundred thirteen thousand, two hundred three".

Divisors: 1 3 1043504401 3130513203