Search a number
-
+
31314213301 = 74473459043
BaseRepresentation
bin11101001010011110…
…001111100110110101
32222211100012212002211
4131022132033212311
51003112414311201
622215140133421
72155665264340
oct351236174665
988740185084
1031314213301
111230a069a28
12609b097271
132c507385c7
141730bc9457
15c341c5651
hex74a78f9b5

31314213301 has 4 divisors (see below), whose sum is σ = 35787672352. Its totient is φ = 26840754252.

The previous prime is 31314213251. The next prime is 31314213323. The reversal of 31314213301 is 10331241313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31314213301 - 27 = 31314213173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314213331) 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, 2236729515 + ... + 2236729528.

It is an arithmetic number, because the mean of its divisors is an integer number (8946918088).

Almost surely, 231314213301 is an apocalyptic number.

It is an amenable number.

31314213301 is a deficient number, since it is larger than the sum of its proper divisors (4473459051).

31314213301 is an equidigital number, since it uses as much as digits as its factorization.

31314213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473459050.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31314213301 its reverse (10331241313), we get a palindrome (41645454614).

The spelling of 31314213301 in words is "thirty-one billion, three hundred fourteen million, two hundred thirteen thousand, three hundred one".

Divisors: 1 7 4473459043 31314213301