10031023012 has 6 divisors (see below), whose sum is σ = 17554290278. Its totient is φ = 5015511504.

The previous prime is 10031023007. The next prime is 10031023087. The reversal of 10031023012 is 21032013001.

It can be written as a sum of positive squares in only one way, i.e., 6167903296 + 3863119716 = 78536^2 + 62154^2 .

It is a super-4 number, since 4×10031023012⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10031022983 and 10031023001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253877873 + ... + 1253877880.

Almost surely, 2^10031023012 is an apocalyptic number.

It is an amenable number.

10031023012 is a deficient number, since it is larger than the sum of its proper divisors (7523267266).

10031023012 is a wasteful number, since it uses less digits than its factorization.

10031023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507755757 (or 2507755755 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10031023012 its reverse (21032013001), we get a palindrome (31063036013).

The spelling of 10031023012 in words is "ten billion, thirty-one million, twenty-three thousand, twelve".