103312023031 has 16 divisors (see below), whose sum is σ = 120178665216. Its totient is φ = 86979949056.

The previous prime is 103312023029. The next prime is 103312023049. The reversal of 103312023031 is 130320213301.

It is not a de Polignac number, because 103312023031 - 2¹ = 103312023029 is a prime.

It is a super-2 number, since 2×103312023031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312023131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154666 + ... + 480151.

It is an arithmetic number, because the mean of its divisors is an integer number (7511166576).

Almost surely, 2^103312023031 is an apocalyptic number.

103312023031 is a deficient number, since it is larger than the sum of its proper divisors (16866642185).

103312023031 is an equidigital number, since it uses as much as digits as its factorization.

103312023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635238.

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

Adding to 103312023031 its reverse (130320213301), we get a palindrome (233632236332).

The spelling of 103312023031 in words is "one hundred three billion, three hundred twelve million, twenty-three thousand, thirty-one".