101223032431 has 2 divisors, whose sum is σ = 101223032432. Its totient is φ = 101223032430.

The previous prime is 101223032419. The next prime is 101223032479. The reversal of 101223032431 is 134230322101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101223032431 - 2⁹ = 101223031919 is a prime.

It is a super-2 number, since 2×101223032431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101223032411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611516215 + 50611516216.

It is an arithmetic number, because the mean of its divisors is an integer number (50611516216).

Almost surely, 2^101223032431 is an apocalyptic number.

101223032431 is a deficient number, since it is larger than the sum of its proper divisors (1).

101223032431 is an equidigital number, since it uses as much as digits as its factorization.

101223032431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 101223032431 its reverse (134230322101), we get a palindrome (235453354532).

The spelling of 101223032431 in words is "one hundred one billion, two hundred twenty-three million, thirty-two thousand, four hundred thirty-one".