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2131301112931 is a prime number
BaseRepresentation
bin11111000000111011011…
…100100001110001100011
321112202021001001110222201
4133000323130201301203
5234404401041103211
64311034535314031
7306660425356414
oct37007334416143
97482231043881
102131301112931
11751974a08361
122a508851b917
13125c99b735c3
1475226a8980b
153a6901a10c1
hex1f03b721c63

2131301112931 has 2 divisors, whose sum is σ = 2131301112932. Its totient is φ = 2131301112930.

The previous prime is 2131301112887. The next prime is 2131301113033. The reversal of 2131301112931 is 1392111031312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131301112931 - 221 = 2131299015779 is a prime.

It is a super-2 number, since 2×21313011129312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2131301112931.

It is not a weakly prime, because it can be changed into another prime (2131301112331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065650556465 + 1065650556466.

It is an arithmetic number, because the mean of its divisors is an integer number (1065650556466).

Almost surely, 22131301112931 is an apocalyptic number.

2131301112931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131301112931 is an equidigital number, since it uses as much as digits as its factorization.

2131301112931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 2131301112931 in words is "two trillion, one hundred thirty-one billion, three hundred one million, one hundred twelve thousand, nine hundred thirty-one".