103031031 has 8 divisors (see below), whose sum is σ = 137524464. Its totient is φ = 68612480.

The previous prime is 103031021. The next prime is 103031041. The reversal of 103031031 is 130130301.

It is an interprime number because it is at equal distance from previous prime (103031021) and next prime (103031041).

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 103031031 - 2¹⁷ = 102899959 is a prime.

It is a super-2 number, since 2×103031031² = 21230786697845922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103030998 and 103031016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031021) 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, 15426 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (17190558).

Almost surely, 2^103031031 is an apocalyptic number.

103031031 is a deficient number, since it is larger than the sum of its proper divisors (34493433).

103031031 is an equidigital number, since it uses as much as digits as its factorization.

103031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37441.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 103031031 is about 10150.4202376059. The cubic root of 103031031 is about 468.8018842480.

Adding to 103031031 its reverse (130130301), we get a palindrome (233161332).

The spelling of 103031031 in words is "one hundred three million, thirty-one thousand, thirty-one".