2981031 has 8 divisors (see below), whose sum is σ = 4034304. Its totient is φ = 1957560.

The previous prime is 2981029. The next prime is 2981039. The reversal of 2981031 is 1301892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2981031 - 2¹ = 2981029 is a prime.

It is a super-2 number, since 2×2981031² = 17773091645922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2980992 and 2981010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981039) 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, 7215 + ... + 7616.

It is an arithmetic number, because the mean of its divisors is an integer number (504288).

2^2981031 is an apocalyptic number.

2981031 is a deficient number, since it is larger than the sum of its proper divisors (1053273).

2981031 is a wasteful number, since it uses less digits than its factorization.

2981031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14901.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2981031 is about 1726.5662454711. The cubic root of 2981031 is about 143.9203359516.

The spelling of 2981031 in words is "two million, nine hundred eighty-one thousand, thirty-one".