Search a number
-
+
31535451141 = 376913669463
BaseRepresentation
bin11101010111101010…
…001100110000000101
310000101202111220100220
4131113222030300011
51004041033414031
622253122054553
72164322624535
oct352752146005
9100352456326
1031535451141
1112412a38217
1261411aa459
132c8751a57c
1417523394c5
15c48827596
hex757a8cc05

31535451141 has 8 divisors (see below), whose sum is σ = 42101949120. Its totient is φ = 20996293632.

The previous prime is 31535451139. The next prime is 31535451151. The reversal of 31535451141 is 14115453513.

It is a happy number.

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

It is not a de Polignac number, because 31535451141 - 21 = 31535451139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31535451151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6832425 + ... + 6837038.

It is an arithmetic number, because the mean of its divisors is an integer number (5262743640).

Almost surely, 231535451141 is an apocalyptic number.

It is an amenable number.

31535451141 is a deficient number, since it is larger than the sum of its proper divisors (10566497979).

31535451141 is a wasteful number, since it uses less digits than its factorization.

31535451141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670235.

The product of its digits is 18000, while the sum is 33.

The spelling of 31535451141 in words is "thirty-one billion, five hundred thirty-five million, four hundred fifty-one thousand, one hundred forty-one".

Divisors: 1 3 769 2307 13669463 41008389 10511817047 31535451141