2947747394031 has 48 divisors (see below), whose sum is σ = 4396377197184. Its totient is φ = 1755049032000.

The previous prime is 2947747393999. The next prime is 2947747394057. The reversal of 2947747394031 is 1304937477492.

It is not a de Polignac number, because 2947747394031 - 2⁵ = 2947747393999 is a prime.

It is a super-2 number, since 2×2947747394031² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947747394131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17875900 + ... + 18040046.

It is an arithmetic number, because the mean of its divisors is an integer number (91591191608).

Almost surely, 2^{2947747394031} is an apocalyptic number.

2947747394031 is a deficient number, since it is larger than the sum of its proper divisors (1448629803153).

2947747394031 is a wasteful number, since it uses less digits than its factorization.

2947747394031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165044 (or 165033 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 60.

The spelling of 2947747394031 in words is "two trillion, nine hundred forty-seven billion, seven hundred forty-seven million, three hundred ninety-four thousand, thirty-one".