1030321312231 has 6 divisors (see below), whose sum is σ = 1032897260696. Its totient is φ = 1027751772000.

The previous prime is 1030321312217. The next prime is 1030321312243. The reversal of 1030321312231 is 1322131230301.

It is not a de Polignac number, because 1030321312231 - 2²⁵ = 1030287757799 is a prime.

It is a super-2 number, since 2×1030321312231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030321312931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3042915 + ... + 3364516.

Almost surely, 2^{1030321312231} is an apocalyptic number.

1030321312231 is a deficient number, since it is larger than the sum of its proper divisors (2575948465).

1030321312231 is an frugal number, since it uses more digits than its factorization.

1030321312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408233 (or 6407832 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1030321312231 its reverse (1322131230301), we get a palindrome (2352452542532).

The spelling of 1030321312231 in words is "one trillion, thirty billion, three hundred twenty-one million, three hundred twelve thousand, two hundred thirty-one".