1230002031 has 16 divisors (see below), whose sum is σ = 1727747840. Its totient is φ = 776200320.

The previous prime is 1230001963. The next prime is 1230002041. The reversal of 1230002031 is 1302000321.

It is a happy number.

It is not a de Polignac number, because 1230002031 - 2⁹ = 1230001519 is a prime.

It is a super-2 number, since 2×1230002031² = 3025809992528249922, 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 = 1230001998 and 1230002016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230002041) 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, 65991 + ... + 82551.

It is an arithmetic number, because the mean of its divisors is an integer number (107984240).

Almost surely, 2^1230002031 is an apocalyptic number.

1230002031 is a deficient number, since it is larger than the sum of its proper divisors (497745809).

1230002031 is a wasteful number, since it uses less digits than its factorization.

1230002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17886.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1230002031 is about 35071.3847887419. The cubic root of 1230002031 is about 1071.4418594187.

Adding to 1230002031 its reverse (1302000321), we get a palindrome (2532002352).

The spelling of 1230002031 in words is "one billion, two hundred thirty million, two thousand, thirty-one".