2113451332 has 6 divisors (see below), whose sum is σ = 3698539838. Its totient is φ = 1056725664.

The previous prime is 2113451293. The next prime is 2113451369. The reversal of 2113451332 is 2331543112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1374481476 + 738969856 = 37074^2 + 27184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2113451297 and 2113451306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264181413 + ... + 264181420.

Almost surely, 2^2113451332 is an apocalyptic number.

It is an amenable number.

2113451332 is a deficient number, since it is larger than the sum of its proper divisors (1585088506).

2113451332 is a wasteful number, since it uses less digits than its factorization.

2113451332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528362837 (or 528362835 counting only the distinct ones).

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

The square root of 2113451332 is about 45972.2887400660. The cubic root of 2113451332 is about 1283.3075534185.

Adding to 2113451332 its reverse (2331543112), we get a palindrome (4444994444).

It can be divided in two parts, 211 and 3451332, that added together give a palindrome (3451543).

The spelling of 2113451332 in words is "two billion, one hundred thirteen million, four hundred fifty-one thousand, three hundred thirty-two".