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2131306031312 = 24197010875103
BaseRepresentation
bin11111000000111011101…
…111010010100011010000
321112202021101022100201222
4133000323233102203100
5234404403321000222
64311035232544212
7306660515232623
oct37007357224320
97482241270658
102131306031312
11751977767637
122a508a0b2068
13125c9aba61a3
14752275a9dba
153a690823542
hex1f03bbd28d0

2131306031312 has 20 divisors (see below), whose sum is σ = 4346742564480. Its totient is φ = 1009566014688.

The previous prime is 2131306031249. The next prime is 2131306031363.

2131306031312 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3505437248 + ... + 3505437855.

It is an arithmetic number, because the mean of its divisors is an integer number (217337128224).

Almost surely, 22131306031312 is an apocalyptic number.

It is an amenable number.

2131306031312 is an abundant number, since it is smaller than the sum of its proper divisors (2215436533168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131306031312 is a wasteful number, since it uses less digits than its factorization.

2131306031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010875130 (or 7010875124 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 2131306031312 in words is "two trillion, one hundred thirty-one billion, three hundred six million, thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 7010875103 14021750206 28043500412 56087000824 112174001648 133206626957 266413253914 532826507828 1065653015656 2131306031312