231030212202 has 48 divisors (see below), whose sum is σ = 519219372672. Its totient is φ = 76993092000.

The previous prime is 231030212129. The next prime is 231030212243. The reversal of 231030212202 is 202212030132.

It is a super-2 number, since 2×231030212202² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2258958 + ... + 2359014.

It is an arithmetic number, because the mean of its divisors is an integer number (10817070264).

Almost surely, 2^231030212202 is an apocalyptic number.

231030212202 is an abundant number, since it is smaller than the sum of its proper divisors (288189160470).

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

231030212202 is a wasteful number, since it uses less digits than its factorization.

231030212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104825 (or 104813 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 231030212202 its reverse (202212030132), we get a palindrome (433242242334).

The spelling of 231030212202 in words is "two hundred thirty-one billion, thirty million, two hundred twelve thousand, two hundred two".