31322120434 has 8 divisors (see below), whose sum is σ = 51254378928. Its totient is φ = 14237327460.

The previous prime is 31322120399. The next prime is 31322120449. The reversal of 31322120434 is 43402122313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31322120399 and 31322120408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711866352 + ... + 711866395.

It is an arithmetic number, because the mean of its divisors is an integer number (6406797366).

Almost surely, 2^31322120434 is an apocalyptic number.

31322120434 is a deficient number, since it is larger than the sum of its proper divisors (19932258494).

31322120434 is a wasteful number, since it uses less digits than its factorization.

31322120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423732760.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31322120434 its reverse (43402122313), we get a palindrome (74724242747).

The spelling of 31322120434 in words is "thirty-one billion, three hundred twenty-two million, one hundred twenty thousand, four hundred thirty-four".