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131020140412122 = 23131798808552347
BaseRepresentation
bin11101110010100110000000…
…111011010111110011011010
3122011220101212212011122201120
4131302212000323113303122
5114133113221421141442
61142353453243230110
736411615135142263
oct3562460073276332
9564811785148646
10131020140412122
1138824369635915
12128406b7b18336
1358151b934b440
14244d5a13db96a
1510232040644ec
hex772980ed7cda

131020140412122 has 32 divisors (see below), whose sum is σ = 298797062300352. Its totient is φ = 37942484100864.

The previous prime is 131020140412061. The next prime is 131020140412129. The reversal of 131020140412122 is 221214041020131.

It is a super-2 number, since 2×1310201404121222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131020140412092 and 131020140412101.

It is not an unprimeable number, because it can be changed into a prime (131020140412129) 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, 49404274848 + ... + 49404277499.

It is an arithmetic number, because the mean of its divisors is an integer number (9337408196886).

Almost surely, 2131020140412122 is an apocalyptic number.

131020140412122 is an abundant number, since it is smaller than the sum of its proper divisors (167776921888230).

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

131020140412122 is a wasteful number, since it uses less digits than its factorization.

131020140412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98808552382.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131020140412122 its reverse (221214041020131), we get a palindrome (352234181432253).

The spelling of 131020140412122 in words is "one hundred thirty-one trillion, twenty billion, one hundred forty million, four hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 98808552347 197617104694 296425657041 592851314082 1284511180511 1679745389899 2569022361022 3359490779798 3853533541533 5039236169697 7707067083066 10078472339394 21836690068687 43673380137374 65510070206061 131020140412122