31023132320103 has 16 divisors (see below), whose sum is σ = 51570921259776. Its totient is φ = 16115912893440.

The previous prime is 31023132320087. The next prime is 31023132320221. The reversal of 31023132320103 is 30102323132013.

It is not a de Polignac number, because 31023132320103 - 2⁴ = 31023132320087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023132370103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67149636826 + ... + 67149637287.

It is an arithmetic number, because the mean of its divisors is an integer number (3223182578736).

Almost surely, 2^{31023132320103} is an apocalyptic number.

31023132320103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31023132320103 is a deficient number, since it is larger than the sum of its proper divisors (20547788939673).

31023132320103 is a wasteful number, since it uses less digits than its factorization.

31023132320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134299274134.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31023132320103 its reverse (30102323132013), we get a palindrome (61125455452116).

The spelling of 31023132320103 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, three hundred twenty thousand, one hundred three".