103402122431 has 4 divisors (see below), whose sum is σ = 103472417664. Its totient is φ = 103331827200.

The previous prime is 103402122377. The next prime is 103402122433. The reversal of 103402122431 is 134221204301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134221204301 = 16001 ⋅8388301.

It is a cyclic number.

It is not a de Polignac number, because 103402122431 - 2⁶ = 103402122367 is a prime.

It is a super-2 number, since 2×103402122431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103402122397 and 103402122406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103402122433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35145410 + ... + 35148351.

It is an arithmetic number, because the mean of its divisors is an integer number (25868104416).

Almost surely, 2^103402122431 is an apocalyptic number.

103402122431 is a deficient number, since it is larger than the sum of its proper divisors (70295233).

103402122431 is an equidigital number, since it uses as much as digits as its factorization.

103402122431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70295232.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 103402122431 its reverse (134221204301), we get a palindrome (237623326732).

The spelling of 103402122431 in words is "one hundred three billion, four hundred two million, one hundred twenty-two thousand, four hundred thirty-one".