31210130123 has 8 divisors (see below), whose sum is σ = 31340624448. Its totient is φ = 31079907144.

The previous prime is 31210130111. The next prime is 31210130137. The reversal of 31210130123 is 32103101213.

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

It is a cyclic number.

It is not a de Polignac number, because 31210130123 - 2¹² = 31210126027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31210130173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164336 + ... + 299042.

It is an arithmetic number, because the mean of its divisors is an integer number (3917578056).

Almost surely, 2^31210130123 is an apocalyptic number.

31210130123 is a deficient number, since it is larger than the sum of its proper divisors (130494325).

31210130123 is a wasteful number, since it uses less digits than its factorization.

31210130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135673.

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

Adding to 31210130123 its reverse (32103101213), we get a palindrome (63313231336).

The spelling of 31210130123 in words is "thirty-one billion, two hundred ten million, one hundred thirty thousand, one hundred twenty-three".