Search a number
-
+
31472332307 = 1317591376321
BaseRepresentation
bin11101010011111001…
…011010111000010011
310000020100202010121022
4131103321122320103
51003423404113212
622242545150055
72162625260603
oct352371327023
9100210663538
1031472332307
1112390347099
12612402b32b
132c7741ab50
141747bc8c03
15c4300a772
hex753e5ae13

31472332307 has 8 divisors (see below), whose sum is σ = 33912574080. Its totient is φ = 29034846720.

The previous prime is 31472332291. The next prime is 31472332313. The reversal of 31472332307 is 70323327413.

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 31472332307 - 24 = 31472332291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31472338307) 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, 665294 + ... + 711027.

It is an arithmetic number, because the mean of its divisors is an integer number (4239071760).

Almost surely, 231472332307 is an apocalyptic number.

31472332307 is a deficient number, since it is larger than the sum of its proper divisors (2440241773).

31472332307 is a wasteful number, since it uses less digits than its factorization.

31472332307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378093.

The product of its (nonzero) digits is 63504, while the sum is 35.

The spelling of 31472332307 in words is "thirty-one billion, four hundred seventy-two million, three hundred thirty-two thousand, three hundred seven".

Divisors: 1 13 1759 22867 1376321 17892173 2420948639 31472332307