61233031 has 6 divisors (see below), whose sum is σ = 65047160. Its totient is φ = 57630816.

The previous prime is 61233019. The next prime is 61233041. The reversal of 61233031 is 13033216.

It is not a de Polignac number, because 61233031 - 2⁹ = 61232519 is a prime.

It is a super-2 number, since 2×61233031² = 7498968170893922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61233041) 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, 105651 + ... + 106228.

Almost surely, 2^61233031 is an apocalyptic number.

61233031 is a deficient number, since it is larger than the sum of its proper divisors (3814129).

61233031 is a wasteful number, since it uses less digits than its factorization.

61233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211913 (or 211896 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 61233031 is about 7825.1537365090. The cubic root of 61233031 is about 394.1503523163.

Adding to 61233031 its reverse (13033216), we get a palindrome (74266247).

The spelling of 61233031 in words is "sixty-one million, two hundred thirty-three thousand, thirty-one".