103031020431 has 12 divisors (see below), whose sum is σ = 150213451752. Its totient is φ = 68045408496.

The previous prime is 103031020361. The next prime is 103031020459. The reversal of 103031020431 is 134020130301.

It is not a de Polignac number, because 103031020431 - 2⁹ = 103031019919 is a prime.

It is a super-2 number, since 2×103031020431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031020231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53493856 + ... + 53495781.

It is an arithmetic number, because the mean of its divisors is an integer number (12517787646).

Almost surely, 2^103031020431 is an apocalyptic number.

103031020431 is a deficient number, since it is larger than the sum of its proper divisors (47182431321).

103031020431 is a wasteful number, since it uses less digits than its factorization.

103031020431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106989750 (or 106989747 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103031020431 its reverse (134020130301), we get a palindrome (237051150732).

The spelling of 103031020431 in words is "one hundred three billion, thirty-one million, twenty thousand, four hundred thirty-one".