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231400431341 = 1591571453913
BaseRepresentation
bin1101011110000010001…
…0100101111011101101
3211010021200201212111222
43113200202211323231
512242402002300331
6254145350153125
722501214133032
oct3274042457355
9733250655458
10231400431341
118a155569002
1238a1b6527a5
1318a89884171
14b2b2511389
156044ecab7b
hex35e08a5eed

231400431341 has 4 divisors (see below), whose sum is σ = 231402044412. Its totient is φ = 231398818272.

The previous prime is 231400431299. The next prime is 231400431373. The reversal of 231400431341 is 143134004132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151511670025 + 79888761316 = 389245^2 + 282646^2 .

It is a cyclic number.

It is not a de Polignac number, because 231400431341 - 226 = 231333322477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231400431341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231400431541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567800 + ... + 886113.

It is an arithmetic number, because the mean of its divisors is an integer number (57850511103).

Almost surely, 2231400431341 is an apocalyptic number.

It is an amenable number.

231400431341 is a deficient number, since it is larger than the sum of its proper divisors (1613071).

231400431341 is a wasteful number, since it uses less digits than its factorization.

231400431341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613070.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231400431341 its reverse (143134004132), we get a palindrome (374534435473).

The spelling of 231400431341 in words is "two hundred thirty-one billion, four hundred million, four hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 159157 1453913 231400431341