103451313251 has 24 divisors (see below), whose sum is σ = 124533613680. Its totient is φ = 85340819520.

The previous prime is 103451313191. The next prime is 103451313281. The reversal of 103451313251 is 152313154301.

It is not a de Polignac number, because 103451313251 - 2¹⁰ = 103451312227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103451313281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464540 + ... + 650153.

It is an arithmetic number, because the mean of its divisors is an integer number (5188900570).

Almost surely, 2^103451313251 is an apocalyptic number.

103451313251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103451313251 is a deficient number, since it is larger than the sum of its proper divisors (21082300429).

103451313251 is a wasteful number, since it uses less digits than its factorization.

103451313251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114787 (or 1114776 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 103451313251 its reverse (152313154301), we get a palindrome (255764467552).

The spelling of 103451313251 in words is "one hundred three billion, four hundred fifty-one million, three hundred thirteen thousand, two hundred fifty-one".