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2031130300340 = 225432361779419
BaseRepresentation
bin11101100011101000110…
…011001100111110110100
321012011200221222221220202
4131203220303030332310
5231234223324102330
64153031031220032
7266513205456131
oct35435063147664
97164627887822
102031130300340
11713441115229
12289791517618
131196c4b58a2b
1470443083588
1537c7ae75445
hex1d8e8cccfb4

2031130300340 has 24 divisors (see below), whose sum is σ = 4364568368160. Its totient is φ = 793557884448.

The previous prime is 2031130300319. The next prime is 2031130300373. The reversal of 2031130300340 is 430030311302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180888850 + ... + 1180890569.

It is an arithmetic number, because the mean of its divisors is an integer number (181857015340).

Almost surely, 22031130300340 is an apocalyptic number.

2031130300340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031130300340 is an abundant number, since it is smaller than the sum of its proper divisors (2333438067820).

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

2031130300340 is a wasteful number, since it uses less digits than its factorization.

2031130300340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361779471 (or 2361779469 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2031130300340 its reverse (430030311302), we get a palindrome (2461160611642).

The spelling of 2031130300340 in words is "two trillion, thirty-one billion, one hundred thirty million, three hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 2361779419 4723558838 9447117676 11808897095 23617794190 47235588380 101556515017 203113030034 406226060068 507782575085 1015565150170 2031130300340