2031312220030 has 32 divisors (see below), whose sum is σ = 3816620596800. Its totient is φ = 776935686912.

The previous prime is 2031312220013. The next prime is 2031312220037. The reversal of 2031312220030 is 300222131302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031312220037) 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, 804465 + ... + 2170204.

It is an arithmetic number, because the mean of its divisors is an integer number (119269393650).

Almost surely, 2^{2031312220030} is an apocalyptic number.

2031312220030 is a deficient number, since it is larger than the sum of its proper divisors (1785308376770).

2031312220030 is a wasteful number, since it uses less digits than its factorization.

2031312220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977668.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2031312220030 its reverse (300222131302), we get a palindrome (2331534351332).

The spelling of 2031312220030 in words is "two trillion, thirty-one billion, three hundred twelve million, two hundred twenty thousand, thirty".