1550832131 has 2 divisors, whose sum is σ = 1550832132. Its totient is φ = 1550832130.

The previous prime is 1550832119. The next prime is 1550832161. The reversal of 1550832131 is 1312380551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550832131 is a prime.

It is a super-2 number, since 2×1550832131² = 4810160597084002322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1550832094 and 1550832103.

It is not a weakly prime, because it can be changed into another prime (1550832161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775416065 + 775416066.

It is an arithmetic number, because the mean of its divisors is an integer number (775416066).

Almost surely, 2^1550832131 is an apocalyptic number.

1550832131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550832131 is an equidigital number, since it uses as much as digits as its factorization.

1550832131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1550832131 is about 39380.6060263171. The cubic root of 1550832131 is about 1157.5015914282.

The spelling of 1550832131 in words is "one billion, five hundred fifty million, eight hundred thirty-two thousand, one hundred thirty-one".