103142211431 has 4 divisors (see below), whose sum is σ = 117876813072. Its totient is φ = 88407609792.

The previous prime is 103142211401. The next prime is 103142211437. The reversal of 103142211431 is 134112241301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134112241301 = 337 ⋅397959173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103142211431 is a prime.

It is a super-4 number, since 4×103142211431⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103142211397 and 103142211406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103142211437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7367300810 + ... + 7367300823.

It is an arithmetic number, because the mean of its divisors is an integer number (29469203268).

Almost surely, 2^103142211431 is an apocalyptic number.

103142211431 is a deficient number, since it is larger than the sum of its proper divisors (14734601641).

103142211431 is an equidigital number, since it uses as much as digits as its factorization.

103142211431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14734601640.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 103142211431 its reverse (134112241301), we get a palindrome (237254452732).

The spelling of 103142211431 in words is "one hundred three billion, one hundred forty-two million, two hundred eleven thousand, four hundred thirty-one".