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31001400412333 = 1322919735278073
BaseRepresentation
bin1110000110010000100110…
…11101011000100010101101
311001202201000220020111112121
413003020103131120202231
513030411332001143313
6145533502521232541
76346530413426101
oct703102335304255
9131681026214477
1031001400412333
11997269036750a
123588342332751
13143b55b89c130
147926937b1901
1538b63e46728d
hex1c32137588ad

31001400412333 has 16 divisors (see below), whose sum is σ = 33548916204720. Its totient is φ = 28477267444224.

The previous prime is 31001400412313. The next prime is 31001400412429. The reversal of 31001400412333 is 33321400410013.

It can be written as a sum of positive squares in 8 ways, for example, as 4720633980804 + 26280766431529 = 2172702^2 + 5126477^2 .

It is a cyclic number.

It is not a de Polignac number, because 31001400412333 - 217 = 31001400281261 is a prime.

It is a super-2 number, since 2×310014004123332 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31001400412298 and 31001400412307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001400412313) 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, 3234585 + ... + 8512657.

It is an arithmetic number, because the mean of its divisors is an integer number (2096807262795).

Almost surely, 231001400412333 is an apocalyptic number.

It is an amenable number.

31001400412333 is a deficient number, since it is larger than the sum of its proper divisors (2547515792387).

31001400412333 is a wasteful number, since it uses less digits than its factorization.

31001400412333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280288.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31001400412333 its reverse (33321400410013), we get a palindrome (64322800822346).

The spelling of 31001400412333 in words is "thirty-one trillion, one billion, four hundred million, four hundred twelve thousand, three hundred thirty-three".

Divisors: 1 13 229 1973 2977 25649 451817 5278073 5873621 68614949 1208678717 10413638029 15712823321 135377294377 2384723108641 31001400412333