102103001031 has 16 divisors (see below), whose sum is σ = 142760936160. Its totient is φ = 64821173760.

The previous prime is 102103001017. The next prime is 102103001041. The reversal of 102103001031 is 130100301201.

It is not a de Polignac number, because 102103001031 - 2⁷ = 102103000903 is a prime.

It is a super-2 number, since 2×102103001031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102103000998 and 102103001016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103001041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8031990 + ... + 8044691.

It is an arithmetic number, because the mean of its divisors is an integer number (8922558510).

Almost surely, 2^102103001031 is an apocalyptic number.

102103001031 is a deficient number, since it is larger than the sum of its proper divisors (40657935129).

102103001031 is a wasteful number, since it uses less digits than its factorization.

102103001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076786.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 102103001031 its reverse (130100301201), we get a palindrome (232203302232).

The spelling of 102103001031 in words is "one hundred two billion, one hundred three million, one thousand, thirty-one".