102345031 has 8 divisors (see below), whose sum is σ = 108337680. Its totient is φ = 96516672.

The previous prime is 102345013. The next prime is 102345073. The reversal of 102345031 is 130543201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102345031 - 2⁷ = 102344903 is a prime.

It is a super-2 number, since 2×102345031² = 20949010740781922, which 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 (102345011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39790 + ... + 42283.

It is an arithmetic number, because the mean of its divisors is an integer number (13542210).

Almost surely, 2^102345031 is an apocalyptic number.

102345031 is a deficient number, since it is larger than the sum of its proper divisors (5992649).

102345031 is an equidigital number, since it uses as much as digits as its factorization.

102345031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82145.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102345031 is about 10116.5720973065. The cubic root of 102345031 is about 467.7591094161.

Adding to 102345031 its reverse (130543201), we get a palindrome (232888232).

The spelling of 102345031 in words is "one hundred two million, three hundred forty-five thousand, thirty-one".