2231351243 has 8 divisors (see below), whose sum is σ = 2435378736. Its totient is φ = 2027520000.

The previous prime is 2231351231. The next prime is 2231351363. The reversal of 2231351243 is 3421531322.

It is a happy number.

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

It is not a de Polignac number, because 2231351243 - 2³⁰ = 1157609419 is a prime.

It is a super-3 number, since 3×2231351243³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231350243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24758 + ... + 71243.

It is an arithmetic number, because the mean of its divisors is an integer number (304422342).

Almost surely, 2^2231351243 is an apocalyptic number.

2231351243 is a deficient number, since it is larger than the sum of its proper divisors (204027493).

2231351243 is a wasteful number, since it uses less digits than its factorization.

2231351243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98125.

The product of its digits is 4320, while the sum is 26.

The square root of 2231351243 is about 47237.1807266268. The cubic root of 2231351243 is about 1306.7403844016.

Adding to 2231351243 its reverse (3421531322), we get a palindrome (5652882565).

The spelling of 2231351243 in words is "two billion, two hundred thirty-one million, three hundred fifty-one thousand, two hundred forty-three".