103213143454 has 4 divisors (see below), whose sum is σ = 154819715184. Its totient is φ = 51606571726.

The previous prime is 103213143437. The next prime is 103213143461. The reversal of 103213143454 is 454341312301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454341312301 = 241 ⋅1885233661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25803285862 + ... + 25803285865.

It is an arithmetic number, because the mean of its divisors is an integer number (38704928796).

Almost surely, 2^103213143454 is an apocalyptic number.

103213143454 is a deficient number, since it is larger than the sum of its proper divisors (51606571730).

103213143454 is an equidigital number, since it uses as much as digits as its factorization.

103213143454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51606571729.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 103213143454 its reverse (454341312301), we get a palindrome (557554455755).

The spelling of 103213143454 in words is "one hundred three billion, two hundred thirteen million, one hundred forty-three thousand, four hundred fifty-four".