231021011034 has 48 divisors (see below), whose sum is σ = 564293761920. Its totient is φ = 70006365000.

The previous prime is 231021011021. The next prime is 231021011041. The reversal of 231021011034 is 430110120132.

231021011034 is a `hidden beast` number, since 2 + 310 + 210 + 110 + 34 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 231021010998 and 231021011016.

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, 17671842 + ... + 17684909.

It is an arithmetic number, because the mean of its divisors is an integer number (11756120040).

Almost surely, 2^231021011034 is an apocalyptic number.

231021011034 is an abundant number, since it is smaller than the sum of its proper divisors (333272750886).

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

231021011034 is a wasteful number, since it uses less digits than its factorization.

231021011034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35356784 (or 35356767 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231021011034 its reverse (430110120132), we get a palindrome (661131131166).

The spelling of 231021011034 in words is "two hundred thirty-one billion, twenty-one million, eleven thousand, thirty-four".