10212103031 has 16 divisors (see below), whose sum is σ = 11759888448. Its totient is φ = 8784192000.

The previous prime is 10212103021. The next prime is 10212103039. The reversal of 10212103031 is 13030121201.

It is a cyclic number.

It is not a de Polignac number, because 10212103031 - 2²² = 10207908727 is a prime.

It is a super-2 number, since 2×10212103031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212102997 and 10212103015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212103039) 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, 206435 + ... + 251076.

It is an arithmetic number, because the mean of its divisors is an integer number (734993028).

Almost surely, 2^10212103031 is an apocalyptic number.

10212103031 is a deficient number, since it is larger than the sum of its proper divisors (1547785417).

10212103031 is a wasteful number, since it uses less digits than its factorization.

10212103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457642.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10212103031 its reverse (13030121201), we get a palindrome (23242224232).

The spelling of 10212103031 in words is "ten billion, two hundred twelve million, one hundred three thousand, thirty-one".