1230223121031 has 32 divisors (see below), whose sum is σ = 1740536116416. Its totient is φ = 770238720000.

The previous prime is 1230223120993. The next prime is 1230223121069. The reversal of 1230223121031 is 1301213220321.

It is an interprime number because it is at equal distance from previous prime (1230223120993) and next prime (1230223121069).

It is not a de Polignac number, because 1230223121031 - 2⁹ = 1230223120519 is a prime.

It is a super-2 number, since 2×1230223121031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230223120989 and 1230223121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230223121431) 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, 140737321 + ... + 140746061.

It is an arithmetic number, because the mean of its divisors is an integer number (54391753638).

Almost surely, 2^{1230223121031} is an apocalyptic number.

1230223121031 is a deficient number, since it is larger than the sum of its proper divisors (510312995385).

1230223121031 is a wasteful number, since it uses less digits than its factorization.

1230223121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14403.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230223121031 its reverse (1301213220321), we get a palindrome (2531436341352).

The spelling of 1230223121031 in words is "one trillion, two hundred thirty billion, two hundred twenty-three million, one hundred twenty-one thousand, thirty-one".