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131031332422432 = 2513656094800853
BaseRepresentation
bin11101110010110000011100…
…000001100000001100100000
3122011221110202211220200120221
4131302300130001200030200
5114133304132100004212
61142402544011012424
736412462365515041
oct3562603401401440
9564843684820527
10131031332422432
1138829092199912
121284290013a114
135816280c93550
14244dd439b08c8
15102365b8d0807
hex772c1c060320

131031332422432 has 48 divisors (see below), whose sum is σ = 277815915289080. Its totient is φ = 60475065219072.

The previous prime is 131031332422429. The next prime is 131031332422541. The reversal of 131031332422432 is 234224233130131.

It can be written as a sum of positive squares in 4 ways, for example, as 95047602583696 + 35983729838736 = 9749236^2 + 5998644^2 .

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 7 ways as a sum of consecutive naturals, for example, 24892918 + ... + 29693770.

Almost surely, 2131031332422432 is an apocalyptic number.

It is an amenable number.

131031332422432 is an abundant number, since it is smaller than the sum of its proper divisors (146784582866648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131031332422432 is a wasteful number, since it uses less digits than its factorization.

131031332422432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866485 (or 4866477 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 131031332422432 its reverse (234224233130131), we get a palindrome (365255565552563).

The spelling of 131031332422432 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred thirty-two million, four hundred twenty-two thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 65609 131218 262436 524872 852917 1049744 1705834 2099488 3411668 4800853 6823336 9601706 13646672 19203412 27293344 38406824 62411089 76813648 124822178 153627296 249644356 499288712 998577424 1997154848 314979164477 629958328954 1259916657908 2519833315816 4094729138201 5039666631632 8189458276402 10079333263264 16378916552804 32757833105608 65515666211216 131031332422432