2690993031 has 16 divisors (see below), whose sum is σ = 3767852544. Its totient is φ = 1705058784.

The previous prime is 2690993023. The next prime is 2690993033. The reversal of 2690993031 is 1303990962.

It is a happy number.

It is not a de Polignac number, because 2690993031 - 2³ = 2690993023 is a prime.

It is a super-2 number, since 2×2690993031² = 14482886985781133922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690993033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113371 + ... + 135036.

It is an arithmetic number, because the mean of its divisors is an integer number (235490784).

Almost surely, 2^2690993031 is an apocalyptic number.

2690993031 is a deficient number, since it is larger than the sum of its proper divisors (1076859513).

2690993031 is a wasteful number, since it uses less digits than its factorization.

2690993031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248590.

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 2690993031 is about 51874.7822260489. The cubic root of 2690993031 is about 1390.9265307919.

The spelling of 2690993031 in words is "two billion, six hundred ninety million, nine hundred ninety-three thousand, thirty-one".