1641031314 has 64 divisors (see below), whose sum is σ = 3737760768. Its totient is φ = 476697600.

The previous prime is 1641031303. The next prime is 1641031319. The reversal of 1641031314 is 4131301461.

It is not an unprimeable number, because it can be changed into a prime (1641031319) 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, 90862 + ... + 107414.

It is an arithmetic number, because the mean of its divisors is an integer number (58402512).

Almost surely, 2^1641031314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641031314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868880384).

1641031314 is an abundant number, since it is smaller than the sum of its proper divisors (2096729454).

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

1641031314 is a wasteful number, since it uses less digits than its factorization.

1641031314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16643.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1641031314 is about 40509.6447034530. The cubic root of 1641031314 is about 1179.5208516196.

Adding to 1641031314 its reverse (4131301461), we get a palindrome (5772332775).

The spelling of 1641031314 in words is "one billion, six hundred forty-one million, thirty-one thousand, three hundred fourteen".