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2131312103013 = 331173591320199
BaseRepresentation
bin11111000000111100000…
…110011100111001100101
321112202021210201211112210
4133000330012130321211
5234404411344244023
64311040011034033
7306660620651442
oct37007406347145
97482253654483
102131312103013
11751980134375
122a509013b919
13125c9c220a02
147522830a9c9
153a691122593
hex1f03c19ce65

2131312103013 has 16 divisors (see below), whose sum is σ = 2933590016000. Its totient is φ = 1374959813040.

The previous prime is 2131312102891. The next prime is 2131312103051. The reversal of 2131312103013 is 3103012131312.

It is a happy number.

It is not a de Polignac number, because 2131312103013 - 230 = 2130238361189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131312113013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954288 + ... + 2274486.

It is an arithmetic number, because the mean of its divisors is an integer number (183349376000).

Almost surely, 22131312103013 is an apocalyptic number.

It is an amenable number.

2131312103013 is a deficient number, since it is larger than the sum of its proper divisors (802277912987).

2131312103013 is a wasteful number, since it uses less digits than its factorization.

2131312103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337592.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2131312103013 its reverse (3103012131312), we get a palindrome (5234324234325).

The spelling of 2131312103013 in words is "two trillion, one hundred thirty-one billion, three hundred twelve million, one hundred three thousand, thirteen".

Divisors: 1 3 31 93 17359 52077 538129 1320199 1614387 3960597 40926169 122778507 22917334441 68752003323 710437367671 2131312103013