1031231032230 has 96 divisors (see below), whose sum is σ = 2915472407040. Its totient is φ = 232726253760.

The previous prime is 1031231032229. The next prime is 1031231032267. The reversal of 1031231032230 is 322301321301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1031231032197 and 1031231032206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4323856 + ... + 4556115.

It is an arithmetic number, because the mean of its divisors is an integer number (30369504240).

Almost surely, 2^{1031231032230} is an apocalyptic number.

1031231032230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031231032230 is an abundant number, since it is smaller than the sum of its proper divisors (1884241374810).

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

1031231032230 is a wasteful number, since it uses less digits than its factorization.

1031231032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880074 (or 8880067 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1031231032230 its reverse (322301321301), we get a palindrome (1353532353531).

The spelling of 1031231032230 in words is "one trillion, thirty-one billion, two hundred thirty-one million, thirty-two thousand, two hundred thirty".