10231221223131 has 32 divisors (see below), whose sum is σ = 13831565045760. Its totient is φ = 6726393072000.

The previous prime is 10231221223043. The next prime is 10231221223141. The reversal of 10231221223131 is 13132212213201.

It is not a de Polignac number, because 10231221223131 - 2¹⁵ = 10231221190363 is a prime.

It is a super-2 number, since 2×10231221223131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10231221223141) 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, 741977385 + ... + 741991173.

It is an arithmetic number, because the mean of its divisors is an integer number (432236407680).

Almost surely, 2^{10231221223131} is an apocalyptic number.

10231221223131 is a deficient number, since it is larger than the sum of its proper divisors (3600343822629).

10231221223131 is a wasteful number, since it uses less digits than its factorization.

10231221223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23467.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 10231221223131 its reverse (13132212213201), we get a palindrome (23363433436332).

The spelling of 10231221223131 in words is "ten trillion, two hundred thirty-one billion, two hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty-one".