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131142332342323 = 1927123472180039
BaseRepresentation
bin11101110100010111110100…
…001000100110000000110011
3122012100002021121211212012001
4131310113310020212000303
5114142113444034423243
61142525542240314431
736423502151333611
oct3564276410460063
9565302247755161
10131142332342323
11388711728085a5
1212860319912a17
1358238906a0013
1424554738c06b1
1510264a6690a4d
hex7745f4226033

131142332342323 has 24 divisors (see below), whose sum is σ = 140417108893440. Its totient is φ = 122437997403120.

The previous prime is 131142332342317. The next prime is 131142332342377. The reversal of 131142332342323 is 323243233241131.

It is a de Polignac number, because none of the positive numbers 2k-131142332342323 is a prime.

It is a super-2 number, since 2×1311423323423232 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131142332342123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59065938 + ... + 61245976.

It is an arithmetic number, because the mean of its divisors is an integer number (5850712870560).

Almost surely, 2131142332342323 is an apocalyptic number.

131142332342323 is a deficient number, since it is larger than the sum of its proper divisors (9274776551117).

131142332342323 is a wasteful number, since it uses less digits than its factorization.

131142332342323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182495 (or 2182476 counting only the distinct ones).

The product of its digits is 186624, while the sum is 37.

Adding to 131142332342323 its reverse (323243233241131), we get a palindrome (454385565583454).

The spelling of 131142332342323 in words is "one hundred thirty-one trillion, one hundred forty-two billion, three hundred thirty-two million, three hundred forty-two thousand, three hundred twenty-three".

Divisors: 1 19 71 361 1349 2347 25631 44593 166637 847267 2180039 3166103 41420741 60155957 154782769 786994079 2940872611 5116551533 55876579609 97214479127 363275158843 1847075103413 6902228018017 131142332342323