1400233131 has 24 divisors (see below), whose sum is σ = 2208600576. Its totient is φ = 847790640.

The previous prime is 1400233111. The next prime is 1400233147. The reversal of 1400233131 is 1313320041.

1400233131 is a `hidden beast` number, since 1 + 400 + 233 + 1 + 31 = 666.

It is not a de Polignac number, because 1400233131 - 2⁵ = 1400233099 is a prime.

It is a super-2 number, since 2×1400233131² = 3921305642300126322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400233111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102786 + ... + 115608.

It is an arithmetic number, because the mean of its divisors is an integer number (92025024).

Almost surely, 2^1400233131 is an apocalyptic number.

1400233131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1400233131 is a deficient number, since it is larger than the sum of its proper divisors (808367445).

1400233131 is a wasteful number, since it uses less digits than its factorization.

1400233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13943 (or 13940 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1400233131 is about 37419.6890820862. The cubic root of 1400233131 is about 1118.7510341282.

Adding to 1400233131 its reverse (1313320041), we get a palindrome (2713553172).

The spelling of 1400233131 in words is "one billion, four hundred million, two hundred thirty-three thousand, one hundred thirty-one".