31032043230 has 32 divisors (see below), whose sum is σ = 74892988800. Its totient is φ = 8228979872.

The previous prime is 31032043193. The next prime is 31032043241. The reversal of 31032043230 is 3234023013.

It is a junction number, because it is equal to n+sod(n) for n = 31032043197 and 31032043206.

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, 2884020 + ... + 2894759.

It is an arithmetic number, because the mean of its divisors is an integer number (2340405900).

Almost surely, 2^31032043230 is an apocalyptic number.

31032043230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31032043230 is an abundant number, since it is smaller than the sum of its proper divisors (43860945570).

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

31032043230 is a wasteful number, since it uses less digits than its factorization.

31032043230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778968.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 31032043230 its reverse (3234023013), we get a palindrome (34266066243).

The spelling of 31032043230 in words is "thirty-one billion, thirty-two million, forty-three thousand, two hundred thirty".