2231103140442 has 32 divisors (see below), whose sum is σ = 5408734887360. Its totient is φ = 676091860560.

The previous prime is 2231103140437. The next prime is 2231103140477. The reversal of 2231103140442 is 2440413011322.

2231103140442 is a `hidden beast` number, since 223 + 1 + 1 + 0 + 31 + 404 + 4 + 2 = 666.

It is a super-3 number, since 3×2231103140442³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1878032353 + ... + 1878033540.

It is an arithmetic number, because the mean of its divisors is an integer number (169022965230).

Almost surely, 2^{2231103140442} is an apocalyptic number.

2231103140442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231103140442 is an abundant number, since it is smaller than the sum of its proper divisors (3177631746918).

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

2231103140442 is a wasteful number, since it uses less digits than its factorization.

2231103140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756065915 (or 3756065909 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2231103140442 its reverse (2440413011322), we get a palindrome (4671516151764).

The spelling of 2231103140442 in words is "two trillion, two hundred thirty-one billion, one hundred three million, one hundred forty thousand, four hundred forty-two".