31435453141 has 2 divisors, whose sum is σ = 31435453142. Its totient is φ = 31435453140.

The previous prime is 31435453123. The next prime is 31435453243. The reversal of 31435453141 is 14135453413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30951013041 + 484440100 = 175929^2 + 22010^2 .

It is a cyclic number.

It is not a de Polignac number, because 31435453141 - 2¹⁷ = 31435322069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31435453097 and 31435453106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31435453541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717726570 + 15717726571.

It is an arithmetic number, because the mean of its divisors is an integer number (15717726571).

Almost surely, 2^31435453141 is an apocalyptic number.

It is an amenable number.

31435453141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31435453141 is an equidigital number, since it uses as much as digits as its factorization.

31435453141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The spelling of 31435453141 in words is "thirty-one billion, four hundred thirty-five million, four hundred fifty-three thousand, one hundred forty-one".