103021300031 has 32 divisors (see below), whose sum is σ = 114842649600. Its totient is φ = 91827665280.

The previous prime is 103021300027. The next prime is 103021300043. The reversal of 103021300031 is 130003120301.

It is not a de Polignac number, because 103021300031 - 2² = 103021300027 is a prime.

It is a super-2 number, since 2×103021300031² (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 = 103021299979 and 103021300015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021300231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11209220 + ... + 11218406.

It is an arithmetic number, because the mean of its divisors is an integer number (3588832800).

Almost surely, 2^103021300031 is an apocalyptic number.

103021300031 is a deficient number, since it is larger than the sum of its proper divisors (11821349569).

103021300031 is a wasteful number, since it uses less digits than its factorization.

103021300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 103021300031 its reverse (130003120301), we get a palindrome (233024420332).

The spelling of 103021300031 in words is "one hundred three billion, twenty-one million, three hundred thousand, thirty-one".