2103311506 has 8 divisors (see below), whose sum is σ = 3155260860. Its totient is φ = 1051557888.

The previous prime is 2103311479. The next prime is 2103311527. The reversal of 2103311506 is 6051133012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2091690225 + 11621281 = 45735^2 + 3409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18211 + ... + 67366.

Almost surely, 2^2103311506 is an apocalyptic number.

2103311506 is a deficient number, since it is larger than the sum of its proper divisors (1051949354).

2103311506 is a wasteful number, since it uses less digits than its factorization.

2103311506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97868.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2103311506 is about 45861.8742094128. The cubic root of 2103311506 is about 1281.2519298293.

Adding to 2103311506 its reverse (6051133012), we get a palindrome (8154444518).

The spelling of 2103311506 in words is "two billion, one hundred three million, three hundred eleven thousand, five hundred six".