6161031 has 6 divisors (see below), whose sum is σ = 8899280. Its totient is φ = 4107348.

The previous prime is 6161017. The next prime is 6161039. The reversal of 6161031 is 1301616.

It is not a de Polignac number, because 6161031 - 2⁶ = 6160967 is a prime.

It is a super-2 number, since 2×6161031² = 75916605965922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6160995 and 6161013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342271 + ... + 342288.

Almost surely, 2^6161031 is an apocalyptic number.

6161031 is a deficient number, since it is larger than the sum of its proper divisors (2738249).

6161031 is a wasteful number, since it uses less digits than its factorization.

6161031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684565 (or 684562 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 6161031 is about 2482.1424213771. The cubic root of 6161031 is about 183.3233555635.

Adding to 6161031 its reverse (1301616), we get a palindrome (7462647).

The spelling of 6161031 in words is "six million, one hundred sixty-one thousand, thirty-one".