101023231231 has 12 divisors (see below), whose sum is σ = 109964787840. Its totient is φ = 92763952320.

The previous prime is 101023231217. The next prime is 101023231261. The reversal of 101023231231 is 132132320101.

It is not a de Polignac number, because 101023231231 - 2¹⁷ = 101023100159 is a prime.

It is a super-2 number, since 2×101023231231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101023231199 and 101023231208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023231261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1532566 + ... + 1597123.

It is an arithmetic number, because the mean of its divisors is an integer number (9163732320).

Almost surely, 2^101023231231 is an apocalyptic number.

101023231231 is a deficient number, since it is larger than the sum of its proper divisors (8941556609).

101023231231 is a wasteful number, since it uses less digits than its factorization.

101023231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129906 (or 3129893 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101023231231 its reverse (132132320101), we get a palindrome (233155551332).

The spelling of 101023231231 in words is "one hundred one billion, twenty-three million, two hundred thirty-one thousand, two hundred thirty-one".