2061531322 has 16 divisors (see below), whose sum is σ = 3110925312. Its totient is φ = 1024566480.

The previous prime is 2061531319. The next prime is 2061531337. The reversal of 2061531322 is 2231351602.

It is a super-2 number, since 2×2061531322² = 8499822783174135368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606247 + ... + 609637.

It is an arithmetic number, because the mean of its divisors is an integer number (194432832).

Almost surely, 2^2061531322 is an apocalyptic number.

2061531322 is a deficient number, since it is larger than the sum of its proper divisors (1049393990).

2061531322 is a wasteful number, since it uses less digits than its factorization.

2061531322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2061531322 is about 45404.0892651752. The cubic root of 2061531322 is about 1272.7115318990.

Adding to 2061531322 its reverse (2231351602), we get a palindrome (4292882924).

The spelling of 2061531322 in words is "two billion, sixty-one million, five hundred thirty-one thousand, three hundred twenty-two".