1400131031 has 12 divisors (see below), whose sum is σ = 1517194440. Its totient is φ = 1291511520.

The previous prime is 1400131009. The next prime is 1400131037. The reversal of 1400131031 is 1301310041.

It is not a de Polignac number, because 1400131031 - 2¹⁸ = 1399868887 is a prime.

It is a super-2 number, since 2×1400131031² = 3920733807938245922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400130997 and 1400131015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400131037) 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, 393860 + ... + 397398.

It is an arithmetic number, because the mean of its divisors is an integer number (126432870).

Almost surely, 2^1400131031 is an apocalyptic number.

1400131031 is a deficient number, since it is larger than the sum of its proper divisors (117063409).

1400131031 is a wasteful number, since it uses less digits than its factorization.

1400131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1400131031 is about 37418.3248021608. The cubic root of 1400131031 is about 1118.7238416904.

Adding to 1400131031 its reverse (1301310041), we get a palindrome (2701441072).

The spelling of 1400131031 in words is "one billion, four hundred million, one hundred thirty-one thousand, thirty-one".