3144731730 has 32 divisors (see below), whose sum is σ = 8625550464. Its totient is φ = 718795776.

The previous prime is 3144731717. The next prime is 3144731731. The reversal of 3144731730 is 371374413.

3144731730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3144731691 and 3144731700.

It is not an unprimeable number, because it can be changed into a prime (3144731731) 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, 7487247 + ... + 7487666.

It is an arithmetic number, because the mean of its divisors is an integer number (269548452).

Almost surely, 2^3144731730 is an apocalyptic number.

3144731730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3144731730 is an abundant number, since it is smaller than the sum of its proper divisors (5480818734).

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

3144731730 is a wasteful number, since it uses less digits than its factorization.

3144731730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974930.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 3144731730 is about 56077.9076820810. The cubic root of 3144731730 is about 1465.0795314564.

The spelling of 3144731730 in words is "three billion, one hundred forty-four million, seven hundred thirty-one thousand, seven hundred thirty".