3103321431 has 8 divisors (see below), whose sum is σ = 4728870784. Its totient is φ = 1773326520.

The previous prime is 3103321409. The next prime is 3103321511. The reversal of 3103321431 is 1341233013.

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

It is not a de Polignac number, because 3103321431 - 2¹⁵ = 3103288663 is a prime.

It is a super-2 number, since 2×3103321431² = 19261207808207775522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 147777211 = 3103321431 / (3 + 1 + 0 + 3 + 3 + 2 + 1 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3103321398 and 3103321407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143321431) 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, 73888585 + ... + 73888626.

It is an arithmetic number, because the mean of its divisors is an integer number (591108848).

Almost surely, 2^3103321431 is an apocalyptic number.

3103321431 is a deficient number, since it is larger than the sum of its proper divisors (1625549353).

3103321431 is a wasteful number, since it uses less digits than its factorization.

3103321431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147777221.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3103321431 is about 55707.4629740038. The cubic root of 3103321431 is about 1458.6203002414.

Adding to 3103321431 its reverse (1341233013), we get a palindrome (4444554444).

The spelling of 3103321431 in words is "three billion, one hundred three million, three hundred twenty-one thousand, four hundred thirty-one".