31672266315143 has 2 divisors, whose sum is σ = 31672266315144. Its totient is φ = 31672266315142.

The previous prime is 31672266315119. The next prime is 31672266315149. The reversal of 31672266315143 is 34151366227613.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31672266315143 - 2²⁰ = 31672265266567 is a prime.

It is a super-2 number, since 2×31672266315143² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31672266315091 and 31672266315100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31672266315149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15836133157571 + 15836133157572.

It is an arithmetic number, because the mean of its divisors is an integer number (15836133157572).

Almost surely, 2^{31672266315143} is an apocalyptic number.

31672266315143 is a deficient number, since it is larger than the sum of its proper divisors (1).

31672266315143 is an equidigital number, since it uses as much as digits as its factorization.

31672266315143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The spelling of 31672266315143 in words is "thirty-one trillion, six hundred seventy-two billion, two hundred sixty-six million, three hundred fifteen thousand, one hundred forty-three".