10431212542 has 4 divisors (see below), whose sum is σ = 15646818816. Its totient is φ = 5215606270.

The previous prime is 10431212527. The next prime is 10431212549. The reversal of 10431212542 is 24521213401.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431212549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607803134 + ... + 2607803137.

It is an arithmetic number, because the mean of its divisors is an integer number (3911704704).

Almost surely, 2^10431212542 is an apocalyptic number.

10431212542 is a deficient number, since it is larger than the sum of its proper divisors (5215606274).

10431212542 is an equidigital number, since it uses as much as digits as its factorization.

10431212542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215606273.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10431212542 its reverse (24521213401), we get a palindrome (34952425943).

The spelling of 10431212542 in words is "ten billion, four hundred thirty-one million, two hundred twelve thousand, five hundred forty-two".