1940185413031 has 2 divisors, whose sum is σ = 1940185413032. Its totient is φ = 1940185413030.

The previous prime is 1940185413007. The next prime is 1940185413059. The reversal of 1940185413031 is 1303145810491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1940185413031 - 2⁷ = 1940185412903 is a prime.

It is a super-3 number, since 3×1940185413031³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1940185414031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970092706515 + 970092706516.

It is an arithmetic number, because the mean of its divisors is an integer number (970092706516).

Almost surely, 2^{1940185413031} is an apocalyptic number.

1940185413031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940185413031 is an equidigital number, since it uses as much as digits as its factorization.

1940185413031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 1940185413031 in words is "one trillion, nine hundred forty billion, one hundred eighty-five million, four hundred thirteen thousand, thirty-one".