2031311213030 has 32 divisors (see below), whose sum is σ = 3988861251840. Its totient is φ = 738639236320.

The previous prime is 2031311213027. The next prime is 2031311213039. The reversal of 2031311213030 is 303121131302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2031311212993 and 2031311213011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031311213039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4364081 + ... + 4807059.

It is an arithmetic number, because the mean of its divisors is an integer number (124651914120).

Almost surely, 2^{2031311213030} is an apocalyptic number.

2031311213030 is a deficient number, since it is larger than the sum of its proper divisors (1957550038810).

2031311213030 is a wasteful number, since it uses less digits than its factorization.

2031311213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484684.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2031311213030 its reverse (303121131302), we get a palindrome (2334432344332).

The spelling of 2031311213030 in words is "two trillion, thirty-one billion, three hundred eleven million, two hundred thirteen thousand, thirty".