102303320031 has 48 divisors (see below), whose sum is σ = 168492699648. Its totient is φ = 61513603200.

The previous prime is 102303320023. The next prime is 102303320087. The reversal of 102303320031 is 130023303201.

102303320031 is a `hidden beast` number, since 10 + 2 + 303 + 320 + 0 + 31 = 666.

It is not a de Polignac number, because 102303320031 - 2³ = 102303320023 is a prime.

It is a super-2 number, since 2×102303320031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102303319986 and 102303320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102303320531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188791 + ... + 490151.

It is an arithmetic number, because the mean of its divisors is an integer number (3510264576).

Almost surely, 2^102303320031 is an apocalyptic number.

102303320031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102303320031 is a deficient number, since it is larger than the sum of its proper divisors (66189379617).

102303320031 is a wasteful number, since it uses less digits than its factorization.

102303320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301514 (or 301502 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 102303320031 its reverse (130023303201), we get a palindrome (232326623232).

The spelling of 102303320031 in words is "one hundred two billion, three hundred three million, three hundred twenty thousand, thirty-one".