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131212320333413 = 1120521158127453
BaseRepresentation
bin11101110101011000111111…
…101111100101111001100101
3122012120202221012121011221012
4131311120333233211321211
5114144240313001132123
61143022035142032005
736431530421416064
oct3565307757457145
9565522835534835
10131212320333413
1138898918148150
12128719b0718605
13582a3654a15b7
1424589d2a8c1db
151028200bcd378
hex77563fbe5e65

131212320333413 has 8 divisors (see below), whose sum is σ = 143141413082976. Its totient is φ = 119283344249200.

The previous prime is 131212320333383. The next prime is 131212320333463. The reversal of 131212320333413 is 314333023212131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131212320333413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131212320333413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212320333463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26806406 + ... + 31321047.

It is an arithmetic number, because the mean of its divisors is an integer number (17892676635372).

Almost surely, 2131212320333413 is an apocalyptic number.

It is an amenable number.

131212320333413 is a deficient number, since it is larger than the sum of its proper divisors (11929092749563).

131212320333413 is a wasteful number, since it uses less digits than its factorization.

131212320333413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58332675.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 131212320333413 its reverse (314333023212131), we get a palindrome (445545343545544).

The spelling of 131212320333413 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred twenty million, three hundred thirty-three thousand, four hundred thirteen".

Divisors: 1 11 205211 2257321 58127453 639401983 11928392757583 131212320333413