3211523012 has 6 divisors (see below), whose sum is σ = 5620165278. Its totient is φ = 1605761504.

The previous prime is 3211522997. The next prime is 3211523053. The reversal of 3211523012 is 2103251123.

It can be written as a sum of positive squares in only one way, i.e., 2149805956 + 1061717056 = 46366^2 + 32584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401440373 + ... + 401440380.

It is an arithmetic number, because the mean of its divisors is an integer number (936694213).

Almost surely, 2^3211523012 is an apocalyptic number.

It is an amenable number.

3211523012 is a deficient number, since it is larger than the sum of its proper divisors (2408642266).

3211523012 is a wasteful number, since it uses less digits than its factorization.

3211523012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802880757 (or 802880755 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3211523012 is about 56670.3009697319. The cubic root of 3211523012 is about 1475.3792780467.

Adding to 3211523012 its reverse (2103251123), we get a palindrome (5314774135).

The spelling of 3211523012 in words is "three billion, two hundred eleven million, five hundred twenty-three thousand, twelve".