1400630031 has 12 divisors (see below), whose sum is σ = 2024904960. Its totient is φ = 932935200.

The previous prime is 1400629981. The next prime is 1400630039. The reversal of 1400630031 is 1300360041.

1400630031 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 630 + 0 + 31 = 666.

It is not a de Polignac number, because 1400630031 - 2¹⁰ = 1400629007 is a prime.

It is a super-2 number, since 2×1400630031² = 3923528967478121922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400629986 and 1400630013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400630039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57246 + ... + 77963.

It is an arithmetic number, because the mean of its divisors is an integer number (168742080).

Almost surely, 2^1400630031 is an apocalyptic number.

1400630031 is a deficient number, since it is larger than the sum of its proper divisors (624274929).

1400630031 is a wasteful number, since it uses less digits than its factorization.

1400630031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136366 (or 136363 counting only the distinct ones).

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

The square root of 1400630031 is about 37424.9920641274. The cubic root of 1400630031 is about 1118.8567285130.

Adding to 1400630031 its reverse (1300360041), we get a palindrome (2700990072).

The spelling of 1400630031 in words is "one billion, four hundred million, six hundred thirty thousand, thirty-one".