220201332312431 has 2 divisors, whose sum is σ = 220201332312432. Its totient is φ = 220201332312430.

The previous prime is 220201332312317. The next prime is 220201332312443. The reversal of 220201332312431 is 134213233102022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220201332312431 - 2⁴⁶ = 149832588134767 is a prime.

It is a super-2 number, since 2×220201332312431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220201332312394 and 220201332312403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201332311431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100666156215 + 110100666156216.

It is an arithmetic number, because the mean of its divisors is an integer number (110100666156216).

Almost surely, 2^{220201332312431} is an apocalyptic number.

220201332312431 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201332312431 is an equidigital number, since it uses as much as digits as its factorization.

220201332312431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 220201332312431 its reverse (134213233102022), we get a palindrome (354414565414453).

The spelling of 220201332312431 in words is "two hundred twenty trillion, two hundred one billion, three hundred thirty-two million, three hundred twelve thousand, four hundred thirty-one".