6131132021 has 16 divisors (see below), whose sum is σ = 7496722560. Its totient is φ = 4897039680.

The previous prime is 6131132017. The next prime is 6131132047. The reversal of 6131132021 is 1202311316.

It is a cyclic number.

It is not a de Polignac number, because 6131132021 - 2² = 6131132017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6131131984 and 6131132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131132521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369746 + ... + 385971.

It is an arithmetic number, because the mean of its divisors is an integer number (468545160).

Almost surely, 2^6131132021 is an apocalyptic number.

6131132021 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6131132021 is a deficient number, since it is larger than the sum of its proper divisors (1365590539).

6131132021 is a wasteful number, since it uses less digits than its factorization.

6131132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755804.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6131132021 is about 78301.5454572897. The cubic root of 6131132021 is about 1830.2632347503.

Adding to 6131132021 its reverse (1202311316), we get a palindrome (7333443337).

The spelling of 6131132021 in words is "six billion, one hundred thirty-one million, one hundred thirty-two thousand, twenty-one".