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131013510223254 = 23599238011531591
BaseRepresentation
bin11101110010011111110101…
…101111001101010110010110
3122011212202202210022011102220
4131302133311233031112112
5114133011132104121004
61142350435315243210
736411261626361501
oct3562376557152626
9564782683264386
10131013510223254
113882157700788a
121283b3675a9506
1358146a0846b69
14244d132a28138
151022e66e48dd9
hex7727f5bcd596

131013510223254 has 32 divisors (see below), whose sum is σ = 262475660044800. Its totient is φ = 43596403032000.

The previous prime is 131013510223171. The next prime is 131013510223259. The reversal of 131013510223254 is 452322015310131.

It is a happy number.

It is a super-2 number, since 2×1310135102232542 (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 (131013510223259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84774999 + ... + 86306589.

It is an arithmetic number, because the mean of its divisors is an integer number (8202364376400).

Almost surely, 2131013510223254 is an apocalyptic number.

131013510223254 is an abundant number, since it is smaller than the sum of its proper divisors (131462149821546).

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

131013510223254 is a wasteful number, since it uses less digits than its factorization.

131013510223254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555996.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 131013510223254 its reverse (452322015310131), we get a palindrome (583335525533385).

The spelling of 131013510223254 in words is "one hundred thirty-one trillion, thirteen billion, five hundred ten million, two hundred twenty-three thousand, two hundred fifty-four".

Divisors: 1 2 3 6 599 1198 1797 3594 23801 47602 71403 142806 1531591 3063182 4594773 9189546 14256799 28513598 42770397 85540794 917423009 1834846018 2752269027 5504538054 36453397391 72906794782 109360192173 218720384346 21835585037209 43671170074418 65506755111627 131013510223254