1401500431 has 2 divisors, whose sum is σ = 1401500432. Its totient is φ = 1401500430.

The previous prime is 1401500389. The next prime is 1401500447. The reversal of 1401500431 is 1340051041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401500431 - 2¹¹ = 1401498383 is a prime.

It is a super-2 number, since 2×1401500431² = 3928406916186371522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401500399 and 1401500408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401500131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700750215 + 700750216.

It is an arithmetic number, because the mean of its divisors is an integer number (700750216).

Almost surely, 2^1401500431 is an apocalyptic number.

1401500431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401500431 is an equidigital number, since it uses as much as digits as its factorization.

1401500431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1401500431 is about 37436.6188510661. The cubic root of 1401500431 is about 1119.0884459582.

Adding to 1401500431 its reverse (1340051041), we get a palindrome (2741551472).

The spelling of 1401500431 in words is "one billion, four hundred one million, five hundred thousand, four hundred thirty-one".