31034412123 has 16 divisors (see below), whose sum is σ = 48613345536. Its totient is φ = 17361908640.

The previous prime is 31034412113. The next prime is 31034412137. The reversal of 31034412123 is 32121443013.

It is a happy number.

It is not a de Polignac number, because 31034412123 - 2⁵ = 31034412091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31034412093 and 31034412102.

It is not an unprimeable number, because it can be changed into a prime (31034412113) 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, 36170215 + ... + 36171072.

It is an arithmetic number, because the mean of its divisors is an integer number (3038334096).

Almost surely, 2^31034412123 is an apocalyptic number.

31034412123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31034412123 is a deficient number, since it is larger than the sum of its proper divisors (17578933413).

31034412123 is a wasteful number, since it uses less digits than its factorization.

31034412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72341314.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31034412123 its reverse (32121443013), we get a palindrome (63155855136).

The spelling of 31034412123 in words is "thirty-one billion, thirty-four million, four hundred twelve thousand, one hundred twenty-three".