2123201310 has 32 divisors (see below), whose sum is σ = 5102364960. Its totient is φ = 565444608.

The previous prime is 2123201287. The next prime is 2123201351. The reversal of 2123201310 is 131023212.

It is a super-2 number, since 2×2123201310² = 9015967605571432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2123201310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22947 + ... + 69086.

It is an arithmetic number, because the mean of its divisors is an integer number (159448905).

Almost surely, 2^2123201310 is an apocalyptic number.

2123201310 is an abundant number, since it is smaller than the sum of its proper divisors (2979163650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123201310 is a wasteful number, since it uses less digits than its factorization.

2123201310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92812.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2123201310 is about 46078.2086240340. The cubic root of 2123201310 is about 1285.2779526614.

Adding to 2123201310 its reverse (131023212), we get a palindrome (2254224522).

The spelling of 2123201310 in words is "two billion, one hundred twenty-three million, two hundred one thousand, three hundred ten".