231010031 has 8 divisors (see below), whose sum is σ = 270451104. Its totient is φ = 193178880.

The previous prime is 231010009. The next prime is 231010049. The reversal of 231010031 is 130010132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231010031 - 2¹⁴ = 230993647 is a prime.

It is a super-2 number, since 2×231010031² = 106731268845241922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231009994 and 231010021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402170 + ... + 402743.

It is an arithmetic number, because the mean of its divisors is an integer number (33806388).

Almost surely, 2^231010031 is an apocalyptic number.

231010031 is a deficient number, since it is larger than the sum of its proper divisors (39441073).

231010031 is an equidigital number, since it uses as much as digits as its factorization.

231010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804961.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 231010031 is about 15199.0141456609. The cubic root of 231010031 is about 613.5881252423.

Adding to 231010031 its reverse (130010132), we get a palindrome (361020163).

The spelling of 231010031 in words is "two hundred thirty-one million, ten thousand, thirty-one".