31210130231 has 8 divisors (see below), whose sum is σ = 35693692320. Its totient is φ = 26732811168.

The previous prime is 31210130179. The next prime is 31210130233. The reversal of 31210130231 is 13203101213.

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

It is not a de Polignac number, because 31210130231 - 2³⁰ = 30136388407 is a prime.

It is a super-2 number, since 2×31210130231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210130233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550036 + ... + 1570041.

It is an arithmetic number, because the mean of its divisors is an integer number (4461711540).

Almost surely, 2^31210130231 is an apocalyptic number.

31210130231 is a deficient number, since it is larger than the sum of its proper divisors (4483562089).

31210130231 is a wasteful number, since it uses less digits than its factorization.

31210130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121513.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31210130231 its reverse (13203101213), we get a palindrome (44413231444).

The spelling of 31210130231 in words is "thirty-one billion, two hundred ten million, one hundred thirty thousand, two hundred thirty-one".