103203012331 has 4 divisors (see below), whose sum is σ = 105398821152. Its totient is φ = 101007203512.

The previous prime is 103203012307. The next prime is 103203012371. The reversal of 103203012331 is 133210302301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103203012331 - 2²⁷ = 103068794603 is a prime.

It is a super-2 number, since 2×103203012331² (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 = 103203012299 and 103203012308.

It is not an unprimeable number, because it can be changed into a prime (103203012371) 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, 1097904340 + ... + 1097904433.

It is an arithmetic number, because the mean of its divisors is an integer number (26349705288).

Almost surely, 2^103203012331 is an apocalyptic number.

103203012331 is a deficient number, since it is larger than the sum of its proper divisors (2195808821).

103203012331 is an equidigital number, since it uses as much as digits as its factorization.

103203012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195808820.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103203012331 its reverse (133210302301), we get a palindrome (236413314632).

The spelling of 103203012331 in words is "one hundred three billion, two hundred three million, twelve thousand, three hundred thirty-one".