102403000031 has 4 divisors (see below), whose sum is σ = 104784465192. Its totient is φ = 100021534872.

The previous prime is 102403000009. The next prime is 102403000033. The reversal of 102403000031 is 130000304201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130000304201 = 359 ⋅362117839.

It is a cyclic number.

It is not a de Polignac number, because 102403000031 - 2⁶ = 102402999967 is a prime.

It is a super-2 number, since 2×102403000031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102403000033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190732516 + ... + 1190732601.

It is an arithmetic number, because the mean of its divisors is an integer number (26196116298).

Almost surely, 2^102403000031 is an apocalyptic number.

102403000031 is a deficient number, since it is larger than the sum of its proper divisors (2381465161).

102403000031 is an equidigital number, since it uses as much as digits as its factorization.

102403000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381465160.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102403000031 its reverse (130000304201), we get a palindrome (232403304232).

The spelling of 102403000031 in words is "one hundred two billion, four hundred three million, thirty-one", and thus it is an aban number.