31130102332021 has 8 divisors (see below), whose sum is σ = 38811556154304. Its totient is φ = 24257222596320.

The previous prime is 31130102331983. The next prime is 31130102332081. The reversal of 31130102332021 is 12023320103113.

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

It is not a de Polignac number, because 31130102332021 - 2⁹ = 31130102331509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31130102331983 and 31130102332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130102332081) 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, 202143521560 + ... + 202143521713.

It is an arithmetic number, because the mean of its divisors is an integer number (4851444519288).

Almost surely, 2^{31130102332021} is an apocalyptic number.

It is an amenable number.

31130102332021 is a deficient number, since it is larger than the sum of its proper divisors (7681453822283).

31130102332021 is a wasteful number, since it uses less digits than its factorization.

31130102332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404287043291.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31130102332021 its reverse (12023320103113), we get a palindrome (43153422435134).

The spelling of 31130102332021 in words is "thirty-one trillion, one hundred thirty billion, one hundred two million, three hundred thirty-two thousand, twenty-one".