1031211321230 has 16 divisors (see below), whose sum is σ = 1916057165184. Its totient is φ = 399178575840.

The previous prime is 1031211321229. The next prime is 1031211321341. The reversal of 1031211321230 is 321231121301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663243757 + ... + 1663244376.

It is an arithmetic number, because the mean of its divisors is an integer number (119753572824).

Almost surely, 2^{1031211321230} is an apocalyptic number.

1031211321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031211321230 is a deficient number, since it is larger than the sum of its proper divisors (884845843954).

1031211321230 is a wasteful number, since it uses less digits than its factorization.

1031211321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326488171.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031211321230 its reverse (321231121301), we get a palindrome (1352442442531).

The spelling of 1031211321230 in words is "one trillion, thirty-one billion, two hundred eleven million, three hundred twenty-one thousand, two hundred thirty".