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310040541431 = 10118671644193
BaseRepresentation
bin1001000001011111101…
…10110011100011110111
31002122021020222101020222
410200233312303203313
520034430334311211
6354233004444555
731254044056025
oct4405766634367
91078236871228
10310040541431
1110a53a891725
1250107b4975b
132331004219a
1411012819715
1580e8dc91db
hex482fdb38f7

310040541431 has 8 divisors (see below), whose sum is σ = 313278147984. Its totient is φ = 306806227200.

The previous prime is 310040541413. The next prime is 310040541479. The reversal of 310040541431 is 134145040013.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-310040541431 is a prime.

It is a super-2 number, since 2×3100405414312 (a number of 24 digits) contains 22 as substring.

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 310040541431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310040541331) by changing a digit.

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, 633530 + ... + 1010663.

It is an arithmetic number, because the mean of its divisors is an integer number (39159768498).

Almost surely, 2310040541431 is an apocalyptic number.

310040541431 is a deficient number, since it is larger than the sum of its proper divisors (3237606553).

310040541431 is a wasteful number, since it uses less digits than its factorization.

310040541431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646161.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 310040541431 its reverse (134145040013), we get a palindrome (444185581444).

The spelling of 310040541431 in words is "three hundred ten billion, forty million, five hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 101 1867 188567 1644193 166063493 3069708331 310040541431