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3130013131 = 721033491777
BaseRepresentation
bin1011101010010000…
…0011010111001011
322002010200010211021
42322210003113023
522402240410011
61234331013311
7140364446500
oct27244032713
98063603737
103130013131
1113668a1213
1273429a237
133ab605c9b
142199ab4a7
15134bc6471
hexba9035cb

3130013131 has 24 divisors (see below), whose sum is σ = 3688994400. Its totient is φ = 2647717632.

The previous prime is 3130013093. The next prime is 3130013147. The reversal of 3130013131 is 1313100313.

3130013131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3130013131 - 221 = 3127915979 is a prime.

It is a super-2 number, since 2×31300131312 = 19593964400464846322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3130013231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1760515 + ... + 1762291.

It is an arithmetic number, because the mean of its divisors is an integer number (153708100).

Almost surely, 23130013131 is an apocalyptic number.

3130013131 is a deficient number, since it is larger than the sum of its proper divisors (558981269).

3130013131 is a wasteful number, since it uses less digits than its factorization.

3130013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 3130013131 is about 55946.5202760636. The cubic root of 3130013131 is about 1462.7902372428.

Adding to 3130013131 its reverse (1313100313), we get a palindrome (4443113444).

The spelling of 3130013131 in words is "three billion, one hundred thirty million, thirteen thousand, one hundred thirty-one".

Divisors: 1 7 49 103 349 721 1777 2443 5047 12439 17101 35947 87073 183031 251629 620173 1281217 1761403 4341211 8968519 30388477 63877819 447144733 3130013131