31203010023 has 16 divisors (see below), whose sum is σ = 41995430400. Its totient is φ = 20606387040.

The previous prime is 31203010021. The next prime is 31203010037. The reversal of 31203010023 is 32001030213.

It is not a de Polignac number, because 31203010023 - 2¹ = 31203010021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31203009984 and 31203010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1914318 + ... + 1930548.

It is an arithmetic number, because the mean of its divisors is an integer number (2624714400).

Almost surely, 2^31203010023 is an apocalyptic number.

31203010023 is a deficient number, since it is larger than the sum of its proper divisors (10792420377).

31203010023 is a wasteful number, since it uses less digits than its factorization.

31203010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31203010023 its reverse (32001030213), we get a palindrome (63204040236).

The spelling of 31203010023 in words is "thirty-one billion, two hundred three million, ten thousand, twenty-three".