Search a number
-
+
3155304213431 = 65471804326711
BaseRepresentation
bin101101111010100110110…
…010010110101110110111
3102011122101120112202020222
4231322212302112232313
5403144030334312211
610413305435444555
7443651244201326
oct55724662265667
912148346482228
103155304213431
11100717aa73997
1242b628bb675b
1319b70bc82796
14aca08cd80bd
1557123d1c1db
hex2dea6c96bb7

3155304213431 has 8 divisors (see below), whose sum is σ = 3156079215744. Its totient is φ = 3154529313720.

The previous prime is 3155304213427. The next prime is 3155304213499. The reversal of 3155304213431 is 1343124035513.

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

It is a cyclic number.

It is not a de Polignac number, because 3155304213431 - 22 = 3155304213427 is a prime.

It is a super-2 number, since 2×31553042134312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3155304213391 and 3155304213400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155304213331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118114166 + ... + 118140876.

It is an arithmetic number, because the mean of its divisors is an integer number (394509901968).

Almost surely, 23155304213431 is an apocalyptic number.

3155304213431 is a deficient number, since it is larger than the sum of its proper divisors (775002313).

3155304213431 is a wasteful number, since it uses less digits than its factorization.

3155304213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51301.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 3155304213431 its reverse (1343124035513), we get a palindrome (4498428248944).

The spelling of 3155304213431 in words is "three trillion, one hundred fifty-five billion, three hundred four million, two hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 6547 18043 26711 118127521 174876917 481946573 3155304213431