31483560149 has 2 divisors, whose sum is σ = 31483560150. Its totient is φ = 31483560148.

The previous prime is 31483560137. The next prime is 31483560167. The reversal of 31483560149 is 94106538413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30955939249 + 527620900 = 175943^2 + 22970^2 .

It is a cyclic number.

It is not a de Polignac number, because 31483560149 - 2¹² = 31483556053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31483560349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15741780074 + 15741780075.

It is an arithmetic number, because the mean of its divisors is an integer number (15741780075).

Almost surely, 2^31483560149 is an apocalyptic number.

It is an amenable number.

31483560149 is a deficient number, since it is larger than the sum of its proper divisors (1).

31483560149 is an equidigital number, since it uses as much as digits as its factorization.

31483560149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 31483560149 in words is "thirty-one billion, four hundred eighty-three million, five hundred sixty thousand, one hundred forty-nine".