102031211223 has 40 divisors (see below), whose sum is σ = 154637198496. Its totient is φ = 67030891200.

The previous prime is 102031211221. The next prime is 102031211263. The reversal of 102031211223 is 322112130201.

It is not a de Polignac number, because 102031211223 - 2¹ = 102031211221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102031211196 and 102031211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031211221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23076553 + ... + 23080973.

Almost surely, 2^102031211223 is an apocalyptic number.

102031211223 is a deficient number, since it is larger than the sum of its proper divisors (52605987273).

102031211223 is an equidigital number, since it uses as much as digits as its factorization.

102031211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8517 (or 8508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102031211223 its reverse (322112130201), we get a palindrome (424143341424).

The spelling of 102031211223 in words is "one hundred two billion, thirty-one million, two hundred eleven thousand, two hundred twenty-three".