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131223214012503 = 3153912841990211
BaseRepresentation
bin11101110101100011001001…
…000011101011100001010111
3122012121211001101222102022010
4131311203021003223201113
5114144430120241400003
61143031040131235303
736432364400232324
oct3565431103534127
9565554041872263
10131223214012503
11388a24a8367518
1212873b30a48b33
13582b3b0381362
1424593477a3b4b
15102863c26a003
hex7758c90eb857

131223214012503 has 8 divisors (see below), whose sum is σ = 174975653372416. Its totient is φ = 87476458663800.

The previous prime is 131223214012489. The next prime is 131223214012511. The reversal of 131223214012503 is 305210412322131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131223214012503 - 228 = 131222945577047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223214012573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420948933 + ... + 1421041278.

It is an arithmetic number, because the mean of its divisors is an integer number (21871956671552).

Almost surely, 2131223214012503 is an apocalyptic number.

131223214012503 is a deficient number, since it is larger than the sum of its proper divisors (43752439359913).

131223214012503 is a wasteful number, since it uses less digits than its factorization.

131223214012503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842005605.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 131223214012503 its reverse (305210412322131), we get a palindrome (436433626334634).

The spelling of 131223214012503 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred fourteen million, twelve thousand, five hundred three".

Divisors: 1 3 15391 46173 2841990211 8525970633 43741071337501 131223214012503