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31301211131133 = 312782155409793
BaseRepresentation
bin1110001110111111000011…
…00100100000110011111101
311002211100220020000001021220
413013133201210200303331
513100314340022144013
6150323324453343553
76410303122456266
oct707374144406375
9132740806001256
1031301211131133
119a78850731a69
123616474337bb9
1314608cb427518
147a2db572196d
1539433a1d7b23
hex1c77e1920cfd

31301211131133 has 8 divisors (see below), whose sum is σ = 42063569814528. Its totient is φ = 20703163267584.

The previous prime is 31301211131129. The next prime is 31301211131213. The reversal of 31301211131133 is 33113111210313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31301211131133 - 22 = 31301211131129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301211131033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41077704516 + ... + 41077705277.

It is an arithmetic number, because the mean of its divisors is an integer number (5257946226816).

Almost surely, 231301211131133 is an apocalyptic number.

It is an amenable number.

31301211131133 is a deficient number, since it is larger than the sum of its proper divisors (10762358683395).

31301211131133 is a wasteful number, since it uses less digits than its factorization.

31301211131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82155409923.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 31301211131133 its reverse (33113111210313), we get a palindrome (64414322341446).

The spelling of 31301211131133 in words is "thirty-one trillion, three hundred one billion, two hundred eleven million, one hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 3 127 381 82155409793 246466229379 10433737043711 31301211131133