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3131402024 = 23391425253
BaseRepresentation
bin1011101010100101…
…0110011100101000
322002020021201000202
42322221112130220
522403114331044
61234420451332
7140412322652
oct27251263450
98066251022
103131402024
11136765a763
12734849b48
133ab9a120a
14219c4d6d2
15134d9cc4e
hexbaa56728

3131402024 has 8 divisors (see below), whose sum is σ = 5871378810. Its totient is φ = 1565701008.

The previous prime is 3131402017. The next prime is 3131402041. The reversal of 3131402024 is 4202041313.

3131402024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2588977924 + 542424100 = 50882^2 + 23290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×31314020242 = 19611357271822593152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3131401987 and 3131402005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195712619 + ... + 195712634.

Almost surely, 23131402024 is an apocalyptic number.

It is an amenable number.

3131402024 is a deficient number, since it is larger than the sum of its proper divisors (2739976786).

3131402024 is a wasteful number, since it uses less digits than its factorization.

3131402024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391425259 (or 391425255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3131402024 is about 55958.9315837963. The cubic root of 3131402024 is about 1463.0065684641.

Adding to 3131402024 its reverse (4202041313), we get a palindrome (7333443337).

The spelling of 3131402024 in words is "three billion, one hundred thirty-one million, four hundred two thousand, twenty-four".

Divisors: 1 2 4 8 391425253 782850506 1565701012 3131402024