2231012542 has 8 divisors (see below), whose sum is σ = 3650747832. Its totient is φ = 1014096600.

The previous prime is 2231012479. The next prime is 2231012551. The reversal of 2231012542 is 2452101322.

It is a happy number.

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

It is a super-3 number, since 3×2231012542³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 101409661 = 2231012542 / (2 + 2 + 3 + 1 + 0 + 1 + 2 + 5 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50704809 + ... + 50704852.

It is an arithmetic number, because the mean of its divisors is an integer number (456343479).

Almost surely, 2^2231012542 is an apocalyptic number.

2231012542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231012542 is a deficient number, since it is larger than the sum of its proper divisors (1419735290).

2231012542 is a wasteful number, since it uses less digits than its factorization.

2231012542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101409674.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2231012542 is about 47233.5954803358. The cubic root of 2231012542 is about 1306.6742635295.

Adding to 2231012542 its reverse (2452101322), we get a palindrome (4683113864).

The spelling of 2231012542 in words is "two billion, two hundred thirty-one million, twelve thousand, five hundred forty-two".