1320262131 has 8 divisors (see below), whose sum is σ = 1817135104. Its totient is φ = 851781960.

The previous prime is 1320262103. The next prime is 1320262133. The reversal of 1320262131 is 1312620231.

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

It is not a de Polignac number, because 1320262131 - 2⁷ = 1320262003 is a prime.

It is a super-2 number, since 2×1320262131² = 3486184189105322322, 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 = 1320262098 and 1320262107.

It is not an unprimeable number, because it can be changed into a prime (1320262133) 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, 7098091 + ... + 7098276.

It is an arithmetic number, because the mean of its divisors is an integer number (227141888).

Almost surely, 2^1320262131 is an apocalyptic number.

1320262131 is a deficient number, since it is larger than the sum of its proper divisors (496872973).

1320262131 is a wasteful number, since it uses less digits than its factorization.

1320262131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14196401.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1320262131 is about 36335.4115292506. The cubic root of 1320262131 is about 1097.0339187020.

Adding to 1320262131 its reverse (1312620231), we get a palindrome (2632882362).

The spelling of 1320262131 in words is "one billion, three hundred twenty million, two hundred sixty-two thousand, one hundred thirty-one".