7031129481 has 32 divisors (see below), whose sum is σ = 10625779200. Its totient is φ = 4594112640.

The previous prime is 7031129471. The next prime is 7031129507. The reversal of 7031129481 is 1849211307.

It is a happy number.

It is not a de Polignac number, because 7031129481 - 2⁷ = 7031129353 is a prime.

It is a super-2 number, since 2×7031129481² = 98873563557174658722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7031129411) 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, 280191 + ... + 304251.

It is an arithmetic number, because the mean of its divisors is an integer number (332055600).

Almost surely, 2^7031129481 is an apocalyptic number.

It is an amenable number.

7031129481 is a deficient number, since it is larger than the sum of its proper divisors (3594649719).

7031129481 is a wasteful number, since it uses less digits than its factorization.

7031129481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24286 (or 24280 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 7031129481 is about 83851.8305166918. The cubic root of 7031129481 is about 1915.7626351618.

The spelling of 7031129481 in words is "seven billion, thirty-one million, one hundred twenty-nine thousand, four hundred eighty-one".