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3130131 = 31043377
BaseRepresentation
bin1011111100001100010011
312220000201210
423330030103
51300131011
6151031203
735414514
oct13741423
95800653
103130131
111848794
12106b503
13857964
145b6a0b
1541c6a6
hex2fc313

3130131 has 4 divisors (see below), whose sum is σ = 4173512. Its totient is φ = 2086752.

The previous prime is 3130129. The next prime is 3130147. The reversal of 3130131 is 1310313.

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

It is not a de Polignac number, because 3130131 - 21 = 3130129 is a prime.

It is a super-2 number, since 2×31301312 = 19595440154322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130111) 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, 521686 + ... + 521691.

It is an arithmetic number, because the mean of its divisors is an integer number (1043378).

Almost surely, 23130131 is an apocalyptic number.

3130131 is a deficient number, since it is larger than the sum of its proper divisors (1043381).

3130131 is a wasteful number, since it uses less digits than its factorization.

3130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043380.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 3130131 is about 1769.2176236970. The cubic root of 3130131 is about 146.2808598769.

Adding to 3130131 its reverse (1310313), we get a palindrome (4440444).

The spelling of 3130131 in words is "three million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 3 1043377 3130131