103406442251 has 32 divisors (see below), whose sum is σ = 125260369920. Its totient is φ = 83388506400.

The previous prime is 103406442203. The next prime is 103406442257. The reversal of 103406442251 is 152244604301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103406442251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103406442257) 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, 42888236 + ... + 42890646.

It is an arithmetic number, because the mean of its divisors is an integer number (3914386560).

Almost surely, 2^103406442251 is an apocalyptic number.

103406442251 is a deficient number, since it is larger than the sum of its proper divisors (21853927669).

103406442251 is a wasteful number, since it uses less digits than its factorization.

103406442251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 103406442251 in words is "one hundred three billion, four hundred six million, four hundred forty-two thousand, two hundred fifty-one".