1031130130021 has 8 divisors (see below), whose sum is σ = 1032390178560. Its totient is φ = 1029870221952.

The previous prime is 1031130130001. The next prime is 1031130130127. The reversal of 1031130130021 is 1200310311301.

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 1031130130021 - 2¹⁵ = 1031130097253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031130129977 and 1031130130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130130001) 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, 28322796 + ... + 28359178.

It is an arithmetic number, because the mean of its divisors is an integer number (129048772320).

Almost surely, 2^{1031130130021} is an apocalyptic number.

It is an amenable number.

1031130130021 is a deficient number, since it is larger than the sum of its proper divisors (1260048539).

1031130130021 is an equidigital number, since it uses as much as digits as its factorization.

1031130130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70235.

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

Adding to 1031130130021 its reverse (1200310311301), we get a palindrome (2231440441322).

The spelling of 1031130130021 in words is "one trillion, thirty-one billion, one hundred thirty million, one hundred thirty thousand, twenty-one".