16103203031 has 8 divisors (see below), whose sum is σ = 16279011840. Its totient is φ = 15927768792.

The previous prime is 16103203021. The next prime is 16103203037. The reversal of 16103203031 is 13030230161.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16103203031 - 2¹⁰ = 16103202007 is a prime.

It is a super-2 number, since 2×16103203031² (a number of 21 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 = 16103202994 and 16103203012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16103203037) 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, 6755 + ... + 179588.

It is an arithmetic number, because the mean of its divisors is an integer number (2034876480).

Almost surely, 2^16103203031 is an apocalyptic number.

16103203031 is a deficient number, since it is larger than the sum of its proper divisors (175808809).

16103203031 is a wasteful number, since it uses less digits than its factorization.

16103203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187285.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 16103203031 its reverse (13030230161), we get a palindrome (29133433192).

The spelling of 16103203031 in words is "sixteen billion, one hundred three million, two hundred three thousand, thirty-one".