1031031221230 has 32 divisors (see below), whose sum is σ = 1889612375040. Its totient is φ = 404950703520.

The previous prime is 1031031221219. The next prime is 1031031221251. The reversal of 1031031221230 is 321221301301.

It is a junction number, because it is equal to n+sod(n) for n = 1031031221198 and 1031031221207.

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, 2265670 + ... + 2682409.

It is an arithmetic number, because the mean of its divisors is an integer number (59050386720).

Almost surely, 2^{1031031221230} is an apocalyptic number.

1031031221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031031221230 is a deficient number, since it is larger than the sum of its proper divisors (858581153810).

1031031221230 is a wasteful number, since it uses less digits than its factorization.

1031031221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948464.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031031221230 its reverse (321221301301), we get a palindrome (1352252522531).

The spelling of 1031031221230 in words is "one trillion, thirty-one billion, thirty-one million, two hundred twenty-one thousand, two hundred thirty".