2031072994 has 36 divisors (see below), whose sum is σ = 3306663702. Its totient is φ = 932426560.

The previous prime is 2031072991. The next prime is 2031073007. The reversal of 2031072994 is 4992701302.

It can be written as a sum of positive squares in only one way, i.e., 1493436025 + 537636969 = 38645^2 + 23187^2 .

It is a super-2 number, since 2×2031072994² = 8250515013912248072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031072991) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15504309 + ... + 15504439.

Almost surely, 2^2031072994 is an apocalyptic number.

2031072994 is a deficient number, since it is larger than the sum of its proper divisors (1275590708).

2031072994 is an equidigital number, since it uses as much as digits as its factorization.

2031072994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2031072994 is about 45067.4271952593. The cubic root of 2031072994 is about 1266.4124669798.

The spelling of 2031072994 in words is "two billion, thirty-one million, seventy-two thousand, nine hundred ninety-four".