103201503251 has 32 divisors (see below), whose sum is σ = 129158737920. Its totient is φ = 80109943200.

The previous prime is 103201503247. The next prime is 103201503277. The reversal of 103201503251 is 152305102301.

It is a happy number.

It is not a de Polignac number, because 103201503251 - 2² = 103201503247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103201503211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24459020 + ... + 24463238.

It is an arithmetic number, because the mean of its divisors is an integer number (4036210560).

Almost surely, 2^103201503251 is an apocalyptic number.

103201503251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103201503251 is a deficient number, since it is larger than the sum of its proper divisors (25957234669).

103201503251 is a wasteful number, since it uses less digits than its factorization.

103201503251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 103201503251 its reverse (152305102301), we get a palindrome (255506605552).

The spelling of 103201503251 in words is "one hundred three billion, two hundred one million, five hundred three thousand, two hundred fifty-one".