31431613414123 has 4 divisors (see below), whose sum is σ = 33849429830608. Its totient is φ = 29013796997640.

The previous prime is 31431613414121. The next prime is 31431613414147. The reversal of 31431613414123 is 32141431613413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31431613414123 - 2¹ = 31431613414121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31431613414121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208908208223 + ... + 1208908208248.

It is an arithmetic number, because the mean of its divisors is an integer number (8462357457652).

Almost surely, 2^{31431613414123} is an apocalyptic number.

31431613414123 is a deficient number, since it is larger than the sum of its proper divisors (2417816416485).

31431613414123 is a wasteful number, since it uses less digits than its factorization.

31431613414123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417816416484.

The product of its digits is 62208, while the sum is 37.

The spelling of 31431613414123 in words is "thirty-one trillion, four hundred thirty-one billion, six hundred thirteen million, four hundred fourteen thousand, one hundred twenty-three".