40161350031 has 32 divisors (see below), whose sum is σ = 60655910400. Its totient is φ = 23413380480.

The previous prime is 40161350011. The next prime is 40161350057. The reversal of 40161350031 is 13005316104.

It is not a de Polignac number, because 40161350031 - 2⁵ = 40161349999 is a prime.

It is a super-2 number, since 2×40161350031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40161349983 and 40161350010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161350011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179430 + ... + 335436.

It is an arithmetic number, because the mean of its divisors is an integer number (1895497200).

Almost surely, 2^40161350031 is an apocalyptic number.

40161350031 is a deficient number, since it is larger than the sum of its proper divisors (20494560369).

40161350031 is a wasteful number, since it uses less digits than its factorization.

40161350031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156319.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 40161350031 its reverse (13005316104), we get a palindrome (53166666135).

The spelling of 40161350031 in words is "forty billion, one hundred sixty-one million, three hundred fifty thousand, thirty-one".