Search a number
-
+
31232101102 = 229867522853
BaseRepresentation
bin11101000101100101…
…000000101011101110
32222121121201010100021
4131011211000223232
51002430404213402
622203044152354
72153650323226
oct350545005356
988547633307
1031232101102
1112277785904
1260776986ba
132c397189c7
141723d33086
15c2bda5d37
hex745940aee

31232101102 has 8 divisors (see below), whose sum is σ = 46849809816. Its totient is φ = 15615497832.

The previous prime is 31232101079. The next prime is 31232101213. The reversal of 31232101102 is 20110123213.

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

It is a super-2 number, since 2×312321011022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 201693 + ... + 321160.

It is an arithmetic number, because the mean of its divisors is an integer number (5856226227).

Almost surely, 231232101102 is an apocalyptic number.

31232101102 is a deficient number, since it is larger than the sum of its proper divisors (15617708714).

31232101102 is a wasteful number, since it uses less digits than its factorization.

31232101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552722.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31232101102 its reverse (20110123213), we get a palindrome (51342224315).

The spelling of 31232101102 in words is "thirty-one billion, two hundred thirty-two million, one hundred one thousand, one hundred two".

Divisors: 1 2 29867 59734 522853 1045706 15616050551 31232101102