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131214031103431 = 269348724111067
BaseRepresentation
bin11101110101011010100101…
…101101101010010111000111
3122012120221100102201022012201
4131311122211231222113013
5114144302313430302211
61143022521013455331
736431621003625553
oct3565324555522707
9565527312638181
10131214031103431
11388996158a6a71
12128721a9641547
13582a578a4c053
142458b15d78863
1510282a0ead0c1
hex7756a5b6a5c7

131214031103431 has 4 divisors (see below), whose sum is σ = 131262755217192. Its totient is φ = 131165306989672.

The previous prime is 131214031103411. The next prime is 131214031103453. The reversal of 131214031103431 is 134301130412131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131214031103431 - 27 = 131214031103303 is a prime.

It is a super-2 number, since 2×1312140311034312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131214031103431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131214031103411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24362052841 + ... + 24362058226.

It is an arithmetic number, because the mean of its divisors is an integer number (32815688804298).

Almost surely, 2131214031103431 is an apocalyptic number.

131214031103431 is a deficient number, since it is larger than the sum of its proper divisors (48724113761).

131214031103431 is an equidigital number, since it uses as much as digits as its factorization.

131214031103431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48724113760.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 131214031103431 its reverse (134301130412131), we get a palindrome (265515161515562).

The spelling of 131214031103431 in words is "one hundred thirty-one trillion, two hundred fourteen billion, thirty-one million, one hundred three thousand, four hundred thirty-one".

Divisors: 1 2693 48724111067 131214031103431