1400012331 has 8 divisors (see below), whose sum is σ = 1901903760. Its totient is φ = 915731232.

The previous prime is 1400012329. The next prime is 1400012351. The reversal of 1400012331 is 1332100041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1400012331 - 2¹ = 1400012329 is a prime.

It is a super-2 number, since 2×1400012331² = 3920069053904107122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400012331.

It is not an unprimeable number, because it can be changed into a prime (1400012351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4402396 + ... + 4402713.

It is an arithmetic number, because the mean of its divisors is an integer number (237737970).

Almost surely, 2^1400012331 is an apocalyptic number.

1400012331 is a deficient number, since it is larger than the sum of its proper divisors (501891429).

1400012331 is an equidigital number, since it uses as much as digits as its factorization.

1400012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805165.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1400012331 is about 37416.7386472953. The cubic root of 1400012331 is about 1118.6922264892.

Adding to 1400012331 its reverse (1332100041), we get a palindrome (2732112372).

The spelling of 1400012331 in words is "one billion, four hundred million, twelve thousand, three hundred thirty-one".