3231616442 has 4 divisors (see below), whose sum is σ = 4847424666. Its totient is φ = 1615808220.

The previous prime is 3231616439. The next prime is 3231616447. The reversal of 3231616442 is 2446161323.

3231616442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2216620561 + 1014995881 = 47081^2 + 31859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3231616399 and 3231616408.

It is not an unprimeable number, because it can be changed into a prime (3231616447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807904109 + ... + 807904112.

Almost surely, 2^3231616442 is an apocalyptic number.

3231616442 is a deficient number, since it is larger than the sum of its proper divisors (1615808224).

3231616442 is a wasteful number, since it uses less digits than its factorization.

3231616442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615808223.

The product of its digits is 20736, while the sum is 32.

The square root of 3231616442 is about 56847.3081332793. The cubic root of 3231616442 is about 1478.4498686415.

Adding to 3231616442 its reverse (2446161323), we get a palindrome (5677777765).

The spelling of 3231616442 in words is "three billion, two hundred thirty-one million, six hundred sixteen thousand, four hundred forty-two".