10221031331 has 16 divisors (see below), whose sum is σ = 11769753600. Its totient is φ = 8694706848.

The previous prime is 10221031319. The next prime is 10221031423. The reversal of 10221031331 is 13313012201.

It is a cyclic number.

It is not a de Polignac number, because 10221031331 - 2⁶ = 10221031267 is a prime.

It is a super-2 number, since 2×10221031331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221031031) 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, 484910 + ... + 505548.

It is an arithmetic number, because the mean of its divisors is an integer number (735609600).

Almost surely, 2^10221031331 is an apocalyptic number.

10221031331 is a deficient number, since it is larger than the sum of its proper divisors (1548722269).

10221031331 is a wasteful number, since it uses less digits than its factorization.

10221031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21178.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10221031331 its reverse (13313012201), we get a palindrome (23534043532).

The spelling of 10221031331 in words is "ten billion, two hundred twenty-one million, thirty-one thousand, three hundred thirty-one".