31030212203047 has 2 divisors, whose sum is σ = 31030212203048. Its totient is φ = 31030212203046.

The previous prime is 31030212203041. The next prime is 31030212203051. The reversal of 31030212203047 is 74030221203013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31030212203047 is a prime.

It is a super-2 number, since 2×31030212203047² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31030212203041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515106101523 + 15515106101524.

It is an arithmetic number, because the mean of its divisors is an integer number (15515106101524).

Almost surely, 2^{31030212203047} is an apocalyptic number.

31030212203047 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030212203047 is an equidigital number, since it uses as much as digits as its factorization.

31030212203047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 31030212203047 in words is "thirty-one trillion, thirty billion, two hundred twelve million, two hundred three thousand, forty-seven".