4831131021 has 16 divisors (see below), whose sum is σ = 6533165184. Its totient is φ = 3174971904.

The previous prime is 4831131017. The next prime is 4831131059. The reversal of 4831131021 is 1201311384.

It is not a de Polignac number, because 4831131021 - 2² = 4831131017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4831130982 and 4831131000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4831131001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524760 + ... + 533886.

It is an arithmetic number, because the mean of its divisors is an integer number (408322824).

Almost surely, 2^4831131021 is an apocalyptic number.

It is an amenable number.

4831131021 is a deficient number, since it is larger than the sum of its proper divisors (1702034163).

4831131021 is a wasteful number, since it uses less digits than its factorization.

4831131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 4831131021 is about 69506.3379915817. The cubic root of 4831131021 is about 1690.5042694156.

The spelling of 4831131021 in words is "four billion, eight hundred thirty-one million, one hundred thirty-one thousand, twenty-one".