31021231130101 has 8 divisors (see below), whose sum is σ = 31585470081984. Its totient is φ = 30459969693120.

The previous prime is 31021231130059. The next prime is 31021231130171. The reversal of 31021231130101 is 10103113212013.

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 31021231130101 - 2⁹ = 31021231129589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021231130171) 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, 744357700 + ... + 744399373.

It is an arithmetic number, because the mean of its divisors is an integer number (3948183760248).

Almost surely, 2^{31021231130101} is an apocalyptic number.

It is an amenable number.

31021231130101 is a deficient number, since it is larger than the sum of its proper divisors (564238951883).

31021231130101 is a wasteful number, since it uses less digits than its factorization.

31021231130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488757451.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31021231130101 its reverse (10103113212013), we get a palindrome (41124344342114).

The spelling of 31021231130101 in words is "thirty-one trillion, twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, one hundred one".