1234532131 has 8 divisors (see below), whose sum is σ = 1428753920. Its totient is φ = 1044775368.

The previous prime is 1234532113. The next prime is 1234532137. The reversal of 1234532131 is 1312354321.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1234532131 is a prime.

It is a super-2 number, since 2×1234532131² = 3048139164942802322, 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 = 1234532096 and 1234532105.

It is not an unprimeable number, because it can be changed into a prime (1234532137) 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, 1115661 + ... + 1116766.

It is an arithmetic number, because the mean of its divisors is an integer number (178594240).

Almost surely, 2^1234532131 is an apocalyptic number.

1234532131 is a deficient number, since it is larger than the sum of its proper divisors (194221789).

1234532131 is an equidigital number, since it uses as much as digits as its factorization.

1234532131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232513.

The product of its digits is 2160, while the sum is 25.

The square root of 1234532131 is about 35135.9094232667. The cubic root of 1234532131 is about 1072.7556220606.

Adding to 1234532131 its reverse (1312354321), we get a palindrome (2546886452).

The spelling of 1234532131 in words is "one billion, two hundred thirty-four million, five hundred thirty-two thousand, one hundred thirty-one".