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40531144350131 = 232207798470171
BaseRepresentation
bin10010011011100111001000…
…11101100001100110110011
312022111201222010201122012022
421031303210131201212303
520303030240423201011
6222111430051022055
711352164353401611
oct1115634435414663
9168451863648168
1040531144350131
1111a07186382806
12466725a29a92b
1319800bbbb8b86
14a01a09b0c6b1
154a4494b708db
hex24dce47619b3

40531144350131 has 8 divisors (see below), whose sum is σ = 42312531354624. Its totient is φ = 38751354290440.

The previous prime is 40531144350127. The next prime is 40531144350149. The reversal of 40531144350131 is 13105344113504.

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 not a de Polignac number, because 40531144350131 - 22 = 40531144350127 is a prime.

It is a super-2 number, since 2×405311443501312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40531144350091 and 40531144350100.

It is not an unprimeable number, because it can be changed into a prime (40531144350331) 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, 399184325 + ... + 399285846.

It is an arithmetic number, because the mean of its divisors is an integer number (5289066419328).

Almost surely, 240531144350131 is an apocalyptic number.

40531144350131 is a deficient number, since it is larger than the sum of its proper divisors (1781387004493).

40531144350131 is a wasteful number, since it uses less digits than its factorization.

40531144350131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798472401.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 40531144350131 its reverse (13105344113504), we get a palindrome (53636488463635).

The spelling of 40531144350131 in words is "forty trillion, five hundred thirty-one billion, one hundred forty-four million, three hundred fifty thousand, one hundred thirty-one".

Divisors: 1 23 2207 50761 798470171 18364813933 1762223667397 40531144350131