31033010223001 has 2 divisors, whose sum is σ = 31033010223002. Its totient is φ = 31033010223000.

The previous prime is 31033010222957. The next prime is 31033010223041. The reversal of 31033010223001 is 10032201033013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24948776265625 + 6084233957376 = 4994875^2 + 2466624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31033010223001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31033010223001.

It is not a weakly prime, because it can be changed into another prime (31033010223041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516505111500 + 15516505111501.

It is an arithmetic number, because the mean of its divisors is an integer number (15516505111501).

Almost surely, 2^{31033010223001} is an apocalyptic number.

It is an amenable number.

31033010223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

31033010223001 is an equidigital number, since it uses as much as digits as its factorization.

31033010223001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31033010223001 its reverse (10032201033013), we get a palindrome (41065211256014).

The spelling of 31033010223001 in words is "thirty-one trillion, thirty-three billion, ten million, two hundred twenty-three thousand, one".