3491031912 has 16 divisors (see below), whose sum is σ = 8727579840. Its totient is φ = 1163677296.

The previous prime is 3491031911. The next prime is 3491031941. The reversal of 3491031912 is 2191301943.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3491031911) 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, 72729808 + ... + 72729855.

It is an arithmetic number, because the mean of its divisors is an integer number (545473740).

Almost surely, 2^3491031912 is an apocalyptic number.

It is an amenable number.

3491031912 is an abundant number, since it is smaller than the sum of its proper divisors (5236547928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3491031912 is a wasteful number, since it uses less digits than its factorization.

3491031912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145459672 (or 145459668 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 3491031912 is about 59084.9550393330. The cubic root of 3491031912 is about 1516.9965959581.

It can be divided in two parts, 3491031 and 912, that added together give a palindrome (3491943).

The spelling of 3491031912 in words is "three billion, four hundred ninety-one million, thirty-one thousand, nine hundred twelve".