10221231031 has 8 divisors (see below), whose sum is σ = 11153894400. Its totient is φ = 9289144440.

The previous prime is 10221231017. The next prime is 10221231043. The reversal of 10221231031 is 13013212201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221231031 is a prime.

It is a super-2 number, since 2×10221231031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221230996 and 10221231014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221231001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106711 + ... + 178408.

It is an arithmetic number, because the mean of its divisors is an integer number (1394236800).

Almost surely, 2^10221231031 is an apocalyptic number.

10221231031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221231031 is a deficient number, since it is larger than the sum of its proper divisors (932663369).

10221231031 is a wasteful number, since it uses less digits than its factorization.

10221231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288389.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10221231031 its reverse (13013212201), we get a palindrome (23234443232).

The spelling of 10221231031 in words is "ten billion, two hundred twenty-one million, two hundred thirty-one thousand, thirty-one".