Search a number
-
+
123131032302302 = 2331557333929153
BaseRepresentation
bin11011111111110010101101…
…011100001111001011011110
3121010222012201100102221112222
4123333302231130033023132
5112114334323232133202
61113513340525225342
734635631523504303
oct3377625534171336
9533865640387488
10123131032302302
1136262639796012
1211987751702252
13539228b96b45b
14225980658b0aa
15e37dc26704a2
hex6ffcad70f2de

123131032302302 has 16 divisors (see below), whose sum is σ = 185587138060272. Its totient is φ = 61269320808960.

The previous prime is 123131032302301. The next prime is 123131032302349. The reversal of 123131032302302 is 203203230131321.

It is a super-2 number, since 2×1231310323023022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123131032302301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166595843 + ... + 167333310.

It is an arithmetic number, because the mean of its divisors is an integer number (11599196128767).

Almost surely, 2123131032302302 is an apocalyptic number.

123131032302302 is a deficient number, since it is larger than the sum of its proper divisors (62456105757970).

123131032302302 is a wasteful number, since it uses less digits than its factorization.

123131032302302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333930043.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123131032302302 its reverse (203203230131321), we get a palindrome (326334262433623).

The spelling of 123131032302302 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, thirty-two million, three hundred two thousand, three hundred two".

Divisors: 1 2 331 557 662 1114 184367 368734 333929153 667858306 110530549643 185998538221 221061099286 371997076442 61565516151151 123131032302302