130519531021 has 4 divisors (see below), whose sum is σ = 142384942944. Its totient is φ = 118654119100.

The previous prime is 130519530941. The next prime is 130519531027. The reversal of 130519531021 is 120135915031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130519531021 - 2¹¹ = 130519528973 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 (130519531027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5932705945 + ... + 5932705966.

It is an arithmetic number, because the mean of its divisors is an integer number (35596235736).

Almost surely, 2^130519531021 is an apocalyptic number.

130519531021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130519531021 is a deficient number, since it is larger than the sum of its proper divisors (11865411923).

130519531021 is a wasteful number, since it uses less digits than its factorization.

130519531021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11865411922.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 130519531021 in words is "one hundred thirty billion, five hundred nineteen million, five hundred thirty-one thousand, twenty-one".