2145531232310 has 32 divisors (see below), whose sum is σ = 3981935434752. Its totient is φ = 831855155040.

The previous prime is 2145531232279. The next prime is 2145531232363. The reversal of 2145531232310 is 132321355412.

It is a super-2 number, since 2×2145531232310² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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, 18987974 + ... + 19100633.

It is an arithmetic number, because the mean of its divisors is an integer number (124435482336).

Almost surely, 2^{2145531232310} is an apocalyptic number.

2145531232310 is a deficient number, since it is larger than the sum of its proper divisors (1836404202442).

2145531232310 is a wasteful number, since it uses less digits than its factorization.

2145531232310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38088788.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 2145531232310 its reverse (132321355412), we get a palindrome (2277852587722).

The spelling of 2145531232310 in words is "two trillion, one hundred forty-five billion, five hundred thirty-one million, two hundred thirty-two thousand, three hundred ten".