Search a number
-
+
3131424430 = 25313142443
BaseRepresentation
bin1011101010100101…
…1011111010101110
322002020022211202121
42322221123322232
522403121040210
61234421143154
7140412445201
oct27251337256
98066284677
103131424430
111367675582
1273485aaba
133ab9ab484
14219c57938
15134da46da
hexbaa5beae

3131424430 has 8 divisors (see below), whose sum is σ = 5636563992. Its totient is φ = 1252569768.

The previous prime is 3131424419. The next prime is 3131424431. The reversal of 3131424430 is 344241313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3131424395 and 3131424404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131424431) 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, 156571212 + ... + 156571231.

It is an arithmetic number, because the mean of its divisors is an integer number (704570499).

Almost surely, 23131424430 is an apocalyptic number.

3131424430 is a deficient number, since it is larger than the sum of its proper divisors (2505139562).

3131424430 is a wasteful number, since it uses less digits than its factorization.

3131424430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313142450.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3131424430 is about 55959.1317838295. The cubic root of 3131424430 is about 1463.0100578539.

Adding to 3131424430 its reverse (344241313), we get a palindrome (3475665743).

The spelling of 3131424430 in words is "three billion, one hundred thirty-one million, four hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 313142443 626284886 1565712215 3131424430