31900306303049 has 16 divisors (see below), whose sum is σ = 34062804424704. Its totient is φ = 29802494106000.

The previous prime is 31900306302947. The next prime is 31900306303057. The reversal of 31900306303049 is 94030360300913.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31900306303049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31900306302997 and 31900306303015.

It is not an unprimeable number, because it can be changed into a prime (31900306303949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23766224 + ... + 25072574.

It is an arithmetic number, because the mean of its divisors is an integer number (2128925276544).

Almost surely, 2^{31900306303049} is an apocalyptic number.

It is an amenable number.

31900306303049 is a deficient number, since it is larger than the sum of its proper divisors (2162498121655).

31900306303049 is a wasteful number, since it uses less digits than its factorization.

31900306303049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331108.

The product of its (nonzero) digits is 157464, while the sum is 41.

The spelling of 31900306303049 in words is "thirty-one trillion, nine hundred billion, three hundred six million, three hundred three thousand, forty-nine".