103431512553 has 8 divisors (see below), whose sum is σ = 138135883008. Its totient is φ = 68840741904.

The previous prime is 103431512537. The next prime is 103431512563. The reversal of 103431512553 is 355215134301.

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

It is not a de Polignac number, because 103431512553 - 2⁴ = 103431512537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103431512533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28397826 + ... + 28401467.

It is an arithmetic number, because the mean of its divisors is an integer number (17266985376).

Almost surely, 2^103431512553 is an apocalyptic number.

It is an amenable number.

103431512553 is a deficient number, since it is larger than the sum of its proper divisors (34704370455).

103431512553 is an equidigital number, since it uses as much as digits as its factorization.

103431512553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56799903.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 103431512553 its reverse (355215134301), we get a palindrome (458646646854).

The spelling of 103431512553 in words is "one hundred three billion, four hundred thirty-one million, five hundred twelve thousand, five hundred fifty-three".