2031113231430 has 32 divisors (see below), whose sum is σ = 4902849061344. Its totient is φ = 538499383296.

The previous prime is 2031113231423. The next prime is 2031113231461. The reversal of 2031113231430 is 341323111302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031113231430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195670459 + ... + 195680838.

It is an arithmetic number, because the mean of its divisors is an integer number (153214033167).

Almost surely, 2^{2031113231430} is an apocalyptic number.

2031113231430 is an abundant number, since it is smaller than the sum of its proper divisors (2871735829914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031113231430 is a wasteful number, since it uses less digits than its factorization.

2031113231430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391351480.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2031113231430 its reverse (341323111302), we get a palindrome (2372436342732).

The spelling of 2031113231430 in words is "two trillion, thirty-one billion, one hundred thirteen million, two hundred thirty-one thousand, four hundred thirty".