102340303031 has 4 divisors (see below), whose sum is σ = 102342505464. Its totient is φ = 102338100600.

The previous prime is 102340302983. The next prime is 102340303081. The reversal of 102340303031 is 130303043201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102340303031 - 2²² = 102336108727 is a prime.

It is a super-2 number, since 2×102340303031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102340302994 and 102340303012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102340303081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029980 + ... + 1124961.

It is an arithmetic number, because the mean of its divisors is an integer number (25585626366).

Almost surely, 2^102340303031 is an apocalyptic number.

102340303031 is a deficient number, since it is larger than the sum of its proper divisors (2202433).

102340303031 is an equidigital number, since it uses as much as digits as its factorization.

102340303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202432.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 102340303031 its reverse (130303043201), we get a palindrome (232643346232).

The spelling of 102340303031 in words is "one hundred two billion, three hundred forty million, three hundred three thousand, thirty-one".