231000002101230 has 32 divisors (see below), whose sum is σ = 554454556596864. Its totient is φ = 61593939276576.

The previous prime is 231000002101123. The next prime is 231000002101241. The reversal of 231000002101230 is 32101200000132.

It is a super-2 number, since 2×231000002101230² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 378520264 + ... + 379130043.

It is an arithmetic number, because the mean of its divisors is an integer number (17326704893652).

Almost surely, 2^{231000002101230} is an apocalyptic number.

231000002101230 is an abundant number, since it is smaller than the sum of its proper divisors (323454554495634).

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

231000002101230 is a wasteful number, since it uses less digits than its factorization.

231000002101230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757660480.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231000002101230 its reverse (32101200000132), we get a palindrome (263101202101362).

The spelling of 231000002101230 in words is "two hundred thirty-one trillion, two million, one hundred one thousand, two hundred thirty".