231021323001030 has 32 divisors (see below), whose sum is σ = 554858560440288. Its totient is φ = 61560421107200.

The previous prime is 231021323001023. The next prime is 231021323001103. The reversal of 231021323001030 is 30100323120132.

It is a super-2 number, since 2×231021323001030² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231021323000988 and 231021323001006.

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, 2829022641 + ... + 2829104300.

It is an arithmetic number, because the mean of its divisors is an integer number (17339330013759).

Almost surely, 2^{231021323001030} is an apocalyptic number.

231021323001030 is an abundant number, since it is smaller than the sum of its proper divisors (323837237439258).

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

231021323001030 is a wasteful number, since it uses less digits than its factorization.

231021323001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658128312.

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

Adding to 231021323001030 its reverse (30100323120132), we get a palindrome (261121646121162).

The spelling of 231021323001030 in words is "two hundred thirty-one trillion, twenty-one billion, three hundred twenty-three million, one thousand, thirty".