2940547031 has 2 divisors, whose sum is σ = 2940547032. Its totient is φ = 2940547030.

The previous prime is 2940547009. The next prime is 2940547073. The reversal of 2940547031 is 1307450492.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940547031 is a prime.

It is a super-2 number, since 2×2940547031² = 17293633683045829922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2940546982 and 2940547000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940547081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470273515 + 1470273516.

It is an arithmetic number, because the mean of its divisors is an integer number (1470273516).

Almost surely, 2^2940547031 is an apocalyptic number.

2940547031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940547031 is an equidigital number, since it uses as much as digits as its factorization.

2940547031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2940547031 is about 54226.8109978819. The cubic root of 2940547031 is about 1432.6585961686.

The spelling of 2940547031 in words is "two billion, nine hundred forty million, five hundred forty-seven thousand, thirty-one".