31342020123 has 8 divisors (see below), whose sum is σ = 41843424528. Its totient is φ = 20867647904.

The previous prime is 31342020107. The next prime is 31342020137. The reversal of 31342020123 is 32102024313.

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

It is a cyclic number.

It is not a de Polignac number, because 31342020123 - 2⁴ = 31342020107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31342020123.

It is not an unprimeable number, because it can be changed into a prime (31342020223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6755340 + ... + 6759977.

It is an arithmetic number, because the mean of its divisors is an integer number (5230428066).

Almost surely, 2^31342020123 is an apocalyptic number.

31342020123 is a deficient number, since it is larger than the sum of its proper divisors (10501404405).

31342020123 is a wasteful number, since it uses less digits than its factorization.

31342020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13516093.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31342020123 its reverse (32102024313), we get a palindrome (63444044436).

The spelling of 31342020123 in words is "thirty-one billion, three hundred forty-two million, twenty thousand, one hundred twenty-three".