6971430031990 has 16 divisors (see below), whose sum is σ = 12554008734960. Its totient is φ = 2787364306720.

The previous prime is 6971430031931. The next prime is 6971430031999. The reversal of 6971430031990 is 991300341796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6971430031999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150939016 + ... + 150985195.

It is an arithmetic number, because the mean of its divisors is an integer number (784625545935).

Almost surely, 2^{6971430031990} is an apocalyptic number.

6971430031990 is a deficient number, since it is larger than the sum of its proper divisors (5582578702970).

6971430031990 is a wasteful number, since it uses less digits than its factorization.

6971430031990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301926527.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 6971430031990 in words is "six trillion, nine hundred seventy-one billion, four hundred thirty million, thirty-one thousand, nine hundred ninety".