2031211430 has 16 divisors (see below), whose sum is σ = 3658263264. Its totient is φ = 812021760.

The previous prime is 2031211409. The next prime is 2031211433. The reversal of 2031211430 is 341121302.

It is a junction number, because it is equal to n+sod(n) for n = 2031211399 and 2031211408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031211433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39131 + ... + 74790.

It is an arithmetic number, because the mean of its divisors is an integer number (228641454).

Almost surely, 2^2031211430 is an apocalyptic number.

2031211430 is a deficient number, since it is larger than the sum of its proper divisors (1627051834).

2031211430 is a wasteful number, since it uses less digits than its factorization.

2031211430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115711.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2031211430 is about 45068.9630455372. The cubic root of 2031211430 is about 1266.4412388151.

Adding to 2031211430 its reverse (341121302), we get a palindrome (2372332732).

The spelling of 2031211430 in words is "two billion, thirty-one million, two hundred eleven thousand, four hundred thirty".