231000312030 has 32 divisors (see below), whose sum is σ = 554648079744. Its totient is φ = 61572602016.

The previous prime is 231000312013. The next prime is 231000312089. The reversal of 231000312030 is 30213000132.

It is a super-2 number, since 2×231000312030² (a number of 24 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, 1649164 + ... + 1783743.

It is an arithmetic number, because the mean of its divisors is an integer number (17332752492).

Almost surely, 2^231000312030 is an apocalyptic number.

231000312030 is an abundant number, since it is smaller than the sum of its proper divisors (323647767714).

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

231000312030 is a wasteful number, since it uses less digits than its factorization.

231000312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435160.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 231000312030 its reverse (30213000132), we get a palindrome (261213312162).

The spelling of 231000312030 in words is "two hundred thirty-one billion, three hundred twelve thousand, thirty".