2231551023 has 32 divisors (see below), whose sum is σ = 3309465600. Its totient is φ = 1328845056.

The previous prime is 2231551009. The next prime is 2231551033. The reversal of 2231551023 is 3201551322.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2231551023 is a prime.

It is a super-3 number, since 3×2231551023³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231550984 and 2231551002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231551033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156298 + ... + 169976.

It is an arithmetic number, because the mean of its divisors is an integer number (103420800).

Almost surely, 2^2231551023 is an apocalyptic number.

2231551023 is a deficient number, since it is larger than the sum of its proper divisors (1077914577).

2231551023 is a wasteful number, since it uses less digits than its factorization.

2231551023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2231551023 is about 47239.2953270897. The cubic root of 2231551023 is about 1306.7793821172.

The spelling of 2231551023 in words is "two billion, two hundred thirty-one million, five hundred fifty-one thousand, twenty-three".