Search a number
-
+
31542434314 = 2353157128439
BaseRepresentation
bin11101011000000100…
…110101101000001010
310000102020122200110221
4131120010311220022
51004044330344224
622253531500254
72164436160616
oct353004655012
9100366580427
1031542434314
1112416977836
1261435b768a
132c88ac3c21
141753236346
15c492566e4
hex758135a0a

31542434314 has 16 divisors (see below), whose sum is σ = 47479556160. Its totient is φ = 15715976320.

The previous prime is 31542434309. The next prime is 31542434327. The reversal of 31542434314 is 41343424513.

It is a self number, because there is not a number n which added to its sum of digits gives 31542434314.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094907 + ... + 1123345.

It is an arithmetic number, because the mean of its divisors is an integer number (2967472260).

Almost surely, 231542434314 is an apocalyptic number.

31542434314 is a deficient number, since it is larger than the sum of its proper divisors (15937121846).

31542434314 is a wasteful number, since it uses less digits than its factorization.

31542434314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30365.

The product of its digits is 69120, while the sum is 34.

Adding to 31542434314 its reverse (41343424513), we get a palindrome (72885858827).

The spelling of 31542434314 in words is "thirty-one billion, five hundred forty-two million, four hundred thirty-four thousand, three hundred fourteen".

Divisors: 1 2 353 706 1571 3142 28439 56878 554563 1109126 10038967 20077934 44677669 89355338 15771217157 31542434314