31301103320123 has 64 divisors (see below), whose sum is σ = 39729829708800. Its totient is φ = 24005793664512.

The previous prime is 31301103320027. The next prime is 31301103320143. The reversal of 31301103320123 is 32102330110313.

It is a cyclic number.

It is not a de Polignac number, because 31301103320123 - 2¹⁶ = 31301103254587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31301103320143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97043465 + ... + 97365477.

It is an arithmetic number, because the mean of its divisors is an integer number (620778589200).

Almost surely, 2^{31301103320123} is an apocalyptic number.

31301103320123 is a deficient number, since it is larger than the sum of its proper divisors (8428726388677).

31301103320123 is a wasteful number, since it uses less digits than its factorization.

31301103320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322356.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31301103320123 its reverse (32102330110313), we get a palindrome (63403433430436).

The spelling of 31301103320123 in words is "thirty-one trillion, three hundred one billion, one hundred three million, three hundred twenty thousand, one hundred twenty-three".