4130031021 has 32 divisors (see below), whose sum is σ = 5660928000. Its totient is φ = 2677604160.

The previous prime is 4130031001. The next prime is 4130031043. The reversal of 4130031021 is 1201300314.

It is a de Polignac number, because none of the positive numbers 2^k-4130031021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4130031001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5680560 + ... + 5681286.

It is an arithmetic number, because the mean of its divisors is an integer number (176904000).

Almost surely, 2^4130031021 is an apocalyptic number.

It is an amenable number.

4130031021 is a deficient number, since it is larger than the sum of its proper divisors (1530896979).

4130031021 is a wasteful number, since it uses less digits than its factorization.

4130031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 4130031021 is about 64265.3174037132. The cubic root of 4130031021 is about 1604.4189070784.

Adding to 4130031021 its reverse (1201300314), we get a palindrome (5331331335).

The spelling of 4130031021 in words is "four billion, one hundred thirty million, thirty-one thousand, twenty-one".