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131013213121013 = 19314314934717231
BaseRepresentation
bin11101110010011111100100…
…000001110110100111110101
3122011212202000002020210210012
4131302133210001312213311
5114133010030024333023
61142350350023310005
736411251361141266
oct3562374401664765
9564782002223705
10131013213121013
1138821434332543
121283b2a3bab305
135814654122012
14244d1053aa96d
151022e4ad0d978
hex7727e40769f5

131013213121013 has 32 divisors (see below), whose sum is σ = 146645587968000. Its totient is φ = 116533242907200.

The previous prime is 131013213120953. The next prime is 131013213121033. The reversal of 131013213121013 is 310121312310131.

It is a cyclic number.

It is not a de Polignac number, because 131013213121013 - 212 = 131013213116917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131013213121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013213121033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13584893 + ... + 21132338.

It is an arithmetic number, because the mean of its divisors is an integer number (4582674624000).

Almost surely, 2131013213121013 is an apocalyptic number.

It is an amenable number.

131013213121013 is a deficient number, since it is larger than the sum of its proper divisors (15632374846987).

131013213121013 is a wasteful number, since it uses less digits than its factorization.

131013213121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34717473.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 131013213121013 its reverse (310121312310131), we get a palindrome (441134525431144).

The spelling of 131013213121013 in words is "one hundred thirty-one trillion, thirteen billion, two hundred thirteen million, one hundred twenty-one thousand, thirteen".

Divisors: 1 19 31 43 149 589 817 1333 2831 4619 6407 25327 87761 121733 198617 3773723 34717231 659627389 1076234161 1492840933 5172867419 20448449059 28363977727 46278068923 98284480961 160358889989 222433299017 879283309537 3046818909791 4226232681323 6895432269527 131013213121013