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1312230340101 = 3311131272234409
BaseRepresentation
bin10011000110000111000…
…001011111011000000101
311122110002120220002210110
4103012013001133120011
5132444421431340401
62442455202143233
7163543201565532
oct23060701373005
94573076802713
101312230340101
114665718a978a
1219239b351b19
1396986ba9c85
1447725a05d89
15242029e49d6
hex1318705f605

1312230340101 has 64 divisors (see below), whose sum is σ = 1845063843840. Its totient is φ = 828579870720.

The previous prime is 1312230340061. The next prime is 1312230340111. The reversal of 1312230340101 is 1010430322131.

It is not a de Polignac number, because 1312230340101 - 26 = 1312230340037 is a prime.

It is a super-2 number, since 2×13122303401012 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312230340111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 297623185 + ... + 297627593.

It is an arithmetic number, because the mean of its divisors is an integer number (28829122560).

Almost surely, 21312230340101 is an apocalyptic number.

It is an amenable number.

1312230340101 is a deficient number, since it is larger than the sum of its proper divisors (532833503739).

1312230340101 is a wasteful number, since it uses less digits than its factorization.

1312230340101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312230340101 its reverse (1010430322131), we get a palindrome (2322660662232).

The spelling of 1312230340101 in words is "one trillion, three hundred twelve billion, two hundred thirty million, three hundred forty thousand, one hundred one".

Divisors: 1 3 31 93 113 127 223 339 381 669 3503 3937 4409 6913 10509 11811 13227 14351 20739 25199 28321 43053 75597 84963 136679 410037 444881 498217 559943 781169 877951 983207 1334643 1494651 1679829 2343507 2633853 2949621 3200273 9600819 15444727 17358233 30479417 46334181 52074699 63273559 91438251 99208463 111102391 124867289 189820677 297625389 333307173 374601867 1961480329 3444174121 3870885959 5884440987 10332522363 11612657877 14110003657 42330010971 437410113367 1312230340101