231210021132030 has 16 divisors (see below), whose sum is σ = 554904050716944. Its totient is φ = 61656005635200.

The previous prime is 231210021132023. The next prime is 231210021132073. The reversal of 231210021132030 is 30231120012132.

It is a junction number, because it is equal to n+sod(n) for n = 231210021131988 and 231210021132006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3853500352171 + ... + 3853500352230.

It is an arithmetic number, because the mean of its divisors is an integer number (34681503169809).

Almost surely, 2^{231210021132030} is an apocalyptic number.

231210021132030 is an abundant number, since it is smaller than the sum of its proper divisors (323694029584914).

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

231210021132030 is a wasteful number, since it uses less digits than its factorization.

231210021132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707000704411.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231210021132030 its reverse (30231120012132), we get a palindrome (261441141144162).

The spelling of 231210021132030 in words is "two hundred thirty-one trillion, two hundred ten billion, twenty-one million, one hundred thirty-two thousand, thirty".