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10030131 = 323373307
BaseRepresentation
bin100110010000…
…110000110011
3200212120202100
4212100300303
510031431011
6554551443
7151153236
oct46206063
920776670
1010030131
115730871
123438583
1321024b7
14149141d
15d31d56
hex990c33

10030131 has 12 divisors (see below), whose sum is σ = 14535352. Its totient is φ = 6664896.

The previous prime is 10030123. The next prime is 10030133. The reversal of 10030131 is 13103001.

It is not a de Polignac number, because 10030131 - 23 = 10030123 is a prime.

It is a super-2 number, since 2×100301312 = 201207055754322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10030133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1380 + ... + 4686.

Almost surely, 210030131 is an apocalyptic number.

10030131 is a deficient number, since it is larger than the sum of its proper divisors (4505221).

10030131 is a wasteful number, since it uses less digits than its factorization.

10030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 10030131 is about 3167.0382062741. The cubic root of 10030131 is about 215.6596362760.

Adding to 10030131 its reverse (13103001), we get a palindrome (23133132).

The spelling of 10030131 in words is "ten million, thirty thousand, one hundred thirty-one".

Divisors: 1 3 9 337 1011 3033 3307 9921 29763 1114459 3343377 10030131