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40313421331 is a prime number
BaseRepresentation
bin100101100010110111…
…011111111000010011
310212001111210222201221
4211202313133320103
51130030213440311
630304132305511
72625001266421
oct454267377023
9125044728657
1040313421331
111610796a137
127990a72297
133a55c9c281
141d46076111
1510ae297671
hex962ddfe13

40313421331 has 2 divisors, whose sum is σ = 40313421332. Its totient is φ = 40313421330.

The previous prime is 40313421311. The next prime is 40313421341. The reversal of 40313421331 is 13312431304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40313421331 - 219 = 40312897043 is a prime.

It is a super-2 number, since 2×403134213312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40313421296 and 40313421305.

It is not a weakly prime, because it can be changed into another prime (40313421311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20156710665 + 20156710666.

It is an arithmetic number, because the mean of its divisors is an integer number (20156710666).

Almost surely, 240313421331 is an apocalyptic number.

40313421331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40313421331 is an equidigital number, since it uses as much as digits as its factorization.

40313421331 is an odious number, because the sum of its binary digits is odd.

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

Adding to 40313421331 its reverse (13312431304), we get a palindrome (53625852635).

The spelling of 40313421331 in words is "forty billion, three hundred thirteen million, four hundred twenty-one thousand, three hundred thirty-one".