641031116 has 12 divisors (see below), whose sum is σ = 1223786760. Its totient is φ = 291377760.

The previous prime is 641031067. The next prime is 641031119. The reversal of 641031116 is 611130146.

It is a super-3 number, since 3×641031116³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641031091 and 641031100.

It is not an unprimeable number, because it can be changed into a prime (641031119) 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, 7284401 + ... + 7284488.

It is an arithmetic number, because the mean of its divisors is an integer number (101982230).

Almost surely, 2^641031116 is an apocalyptic number.

It is an amenable number.

641031116 is a deficient number, since it is larger than the sum of its proper divisors (582755644).

641031116 is a wasteful number, since it uses less digits than its factorization.

641031116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14568904 (or 14568902 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 641031116 is about 25318.5922989411. The cubic root of 641031116 is about 862.2364343728.

The spelling of 641031116 in words is "six hundred forty-one million, thirty-one thousand, one hundred sixteen".