1000012431 has 32 divisors (see below), whose sum is σ = 1498364928. Its totient is φ = 587917440.

The previous prime is 1000012411. The next prime is 1000012459. The reversal of 1000012431 is 1342100001.

It is a happy number.

It is not a de Polignac number, because 1000012431 - 2⁵ = 1000012399 is a prime.

It is a super-2 number, since 2×1000012431² = 2000049724309059522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000012411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483706 + ... + 485768.

It is an arithmetic number, because the mean of its divisors is an integer number (46823904).

Almost surely, 2^1000012431 is an apocalyptic number.

1000012431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000012431 is a deficient number, since it is larger than the sum of its proper divisors (498352497).

1000012431 is a wasteful number, since it uses less digits than its factorization.

1000012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1000012431 is about 31622.9731524409. The cubic root of 1000012431 is about 1000.0041436495.

Adding to 1000012431 its reverse (1342100001), we get a palindrome (2342112432).

The spelling of 1000012431 in words is "one billion, twelve thousand, four hundred thirty-one".