31434132123 has 12 divisors (see below), whose sum is σ = 45413691960. Its totient is φ = 20952010656.

The previous prime is 31434132073. The next prime is 31434132127. The reversal of 31434132123 is 32123143413.

It is a happy number.

31434132123 is a `hidden beast` number, since 3 + 1 + 434 + 13 + 212 + 3 = 666.

It is not a de Polignac number, because 31434132123 - 2²¹ = 31432034971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31434132127) 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, 290586 + ... + 383807.

It is an arithmetic number, because the mean of its divisors is an integer number (3784474330).

Almost surely, 2^31434132123 is an apocalyptic number.

31434132123 is a deficient number, since it is larger than the sum of its proper divisors (13979559837).

31434132123 is a wasteful number, since it uses less digits than its factorization.

31434132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679578 (or 679575 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 31434132123 its reverse (32123143413), we get a palindrome (63557275536).

The spelling of 31434132123 in words is "thirty-one billion, four hundred thirty-four million, one hundred thirty-two thousand, one hundred twenty-three".