1331211332 has 24 divisors (see below), whose sum is σ = 2564728320. Its totient is φ = 599542560.

The previous prime is 1331211317. The next prime is 1331211373. The reversal of 1331211332 is 2331121331.

It is a super-2 number, since 2×1331211332² = 3544247220890428448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133988 + ... + 143579.

It is an arithmetic number, because the mean of its divisors is an integer number (106863680).

Almost surely, 2^1331211332 is an apocalyptic number.

It is an amenable number.

1331211332 is a deficient number, since it is larger than the sum of its proper divisors (1233516988).

1331211332 is a wasteful number, since it uses less digits than its factorization.

1331211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277691 (or 277689 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 1331211332 is about 36485.7688969275. The cubic root of 1331211332 is about 1100.0582151009.

Adding to 1331211332 its reverse (2331121331), we get a palindrome (3662332663).

Subtracting 1331211332 from its reverse (2331121331), we obtain a palindrome (999909999).

The spelling of 1331211332 in words is "one billion, three hundred thirty-one million, two hundred eleven thousand, three hundred thirty-two".