31087094799189 has 32 divisors (see below), whose sum is σ = 48696434898048. Its totient is φ = 17391179520000.

The previous prime is 31087094799179. The next prime is 31087094799217. The reversal of 31087094799189 is 98199749078013.

It is not a de Polignac number, because 31087094799189 - 2²¹ = 31087092702037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31087094799189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31087094799109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41343789 + ... + 42088989.

It is an arithmetic number, because the mean of its divisors is an integer number (1521763590564).

Almost surely, 2^{31087094799189} is an apocalyptic number.

31087094799189 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

31087094799189 is a deficient number, since it is larger than the sum of its proper divisors (17609340098859).

31087094799189 is a wasteful number, since it uses less digits than its factorization.

31087094799189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842469.

The product of its (nonzero) digits is 246903552, while the sum is 75.

The spelling of 31087094799189 in words is "thirty-one trillion, eighty-seven billion, ninety-four million, seven hundred ninety-nine thousand, one hundred eighty-nine".