2690705031 has 8 divisors (see below), whose sum is σ = 4100121984. Its totient is φ = 1537545720.

The previous prime is 2690705011. The next prime is 2690705033. The reversal of 2690705031 is 1305070962.

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

It is not a de Polignac number, because 2690705031 - 2⁶ = 2690704967 is a prime.

It is a super-2 number, since 2×2690705031² = 14479787127697421922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2690704983 and 2690705001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690705033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64064385 + ... + 64064426.

It is an arithmetic number, because the mean of its divisors is an integer number (512515248).

Almost surely, 2^2690705031 is an apocalyptic number.

2690705031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2690705031 is a deficient number, since it is larger than the sum of its proper divisors (1409416953).

2690705031 is a wasteful number, since it uses less digits than its factorization.

2690705031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128128821.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 2690705031 is about 51872.0062365049. The cubic root of 2690705031 is about 1390.8769083257.

Adding to 2690705031 its reverse (1305070962), we get a palindrome (3995775993).

The spelling of 2690705031 in words is "two billion, six hundred ninety million, seven hundred five thousand, thirty-one".