1420131131 has 8 divisors (see below), whose sum is σ = 1496821680. Its totient is φ = 1345288672.

The previous prime is 1420131109. The next prime is 1420131133. The reversal of 1420131131 is 1311310241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420131131 is a prime.

It is a super-2 number, since 2×1420131131² = 4033544858470678322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420131133) 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, 460445 + ... + 463518.

It is an arithmetic number, because the mean of its divisors is an integer number (187102710).

Almost surely, 2^1420131131 is an apocalyptic number.

1420131131 is a deficient number, since it is larger than the sum of its proper divisors (76690549).

1420131131 is an equidigital number, since it uses as much as digits as its factorization.

1420131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924045.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1420131131 is about 37684.6272503789. The cubic root of 1420131131 is about 1124.0254621516.

Adding to 1420131131 its reverse (1311310241), we get a palindrome (2731441372).

The spelling of 1420131131 in words is "one billion, four hundred twenty million, one hundred thirty-one thousand, one hundred thirty-one".