130021311031 has 8 divisors (see below), whose sum is σ = 132817728960. Its totient is φ = 127226143488.

The previous prime is 130021311029. The next prime is 130021311037. The reversal of 130021311031 is 130113120031.

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 130021311031 - 2¹ = 130021311029 is a prime.

It is a super-2 number, since 2×130021311031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130021310996 and 130021311014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130021311037) 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, 100866 + ... + 519823.

It is an arithmetic number, because the mean of its divisors is an integer number (16602216120).

Almost surely, 2^130021311031 is an apocalyptic number.

130021311031 is a deficient number, since it is larger than the sum of its proper divisors (2796417929).

130021311031 is an equidigital number, since it uses as much as digits as its factorization.

130021311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625193.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 130021311031 its reverse (130113120031), we get a palindrome (260134431062).

The spelling of 130021311031 in words is "one hundred thirty billion, twenty-one million, three hundred eleven thousand, thirty-one".