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40311134031 = 374146818971
BaseRepresentation
bin100101100010101110…
…110001011101001111
310212001100111210011010
4211202232301131033
51130024122242111
630304011300303
72624642662050
oct454256613517
9125040453133
1040311134031
1116106647703
12799014a693
133a5567b13c
141d45a3c727
1510ade94aa6
hex962bb174f

40311134031 has 16 divisors (see below), whose sum is σ = 62924698368. Its totient is φ = 22473105600.

The previous prime is 40311134029. The next prime is 40311134051. The reversal of 40311134031 is 13043111304.

It is not a de Polignac number, because 40311134031 - 21 = 40311134029 is a prime.

It is a super-2 number, since 2×403111340312 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40311133989 and 40311134007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311134011) 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, 23408625 + ... + 23410346.

It is an arithmetic number, because the mean of its divisors is an integer number (3932793648).

Almost surely, 240311134031 is an apocalyptic number.

40311134031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40311134031 is a deficient number, since it is larger than the sum of its proper divisors (22613564337).

40311134031 is a wasteful number, since it uses less digits than its factorization.

40311134031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46819022.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 40311134031 its reverse (13043111304), we get a palindrome (53354245335).

The spelling of 40311134031 in words is "forty billion, three hundred eleven million, one hundred thirty-four thousand, thirty-one".

Divisors: 1 3 7 21 41 123 287 861 46818971 140456913 327732797 983198391 1919577811 5758733433 13437044677 40311134031