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231141323131412 = 222323603106444337
BaseRepresentation
bin110100100011100011001000…
…011101010100101000010100
31010022101220011020011011100212
4310203203020131110220110
5220244004412210201122
62135332505152224552
766454260314403251
oct6443431035245024
91108356136134325
10231141323131412
116771553707a671
1221b108a153b158
139bc86c1702435
14411142a668428
151bac7b255ece2
hexd238c8754a14

231141323131412 has 24 divisors (see below), whose sum is σ = 422102041897536. Its totient is φ = 110541165603968.

The previous prime is 231141323131393. The next prime is 231141323131441. The reversal of 231141323131412 is 214131323141132.

It is a happy number.

It is a super-2 number, since 2×2311413231314122 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51050693 + ... + 55393644.

It is an arithmetic number, because the mean of its divisors is an integer number (17587585079064).

Almost surely, 2231141323131412 is an apocalyptic number.

It is an amenable number.

231141323131412 is a deficient number, since it is larger than the sum of its proper divisors (190960718766124).

231141323131412 is a wasteful number, since it uses less digits than its factorization.

231141323131412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106467967 (or 106467965 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

Adding to 231141323131412 its reverse (214131323141132), we get a palindrome (445272646272544).

The spelling of 231141323131412 in words is "two hundred thirty-one trillion, one hundred forty-one billion, three hundred twenty-three million, one hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 23 46 92 23603 47206 94412 542869 1085738 2171476 106444337 212888674 425777348 2448219751 4896439502 9792879004 2512405686211 5024811372422 10049622744844 57785330782853 115570661565706 231141323131412