2131250401 has 16 divisors (see below), whose sum is σ = 2449203840. Its totient is φ = 1816698240.

The previous prime is 2131250377. The next prime is 2131250411. The reversal of 2131250401 is 1040521312.

It is not a de Polignac number, because 2131250401 - 2¹³ = 2131242209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131250411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629990 + ... + 1631296.

It is an arithmetic number, because the mean of its divisors is an integer number (153075240).

Almost surely, 2^2131250401 is an apocalyptic number.

It is an amenable number.

2131250401 is a deficient number, since it is larger than the sum of its proper divisors (317953439).

2131250401 is a wasteful number, since it uses less digits than its factorization.

2131250401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424.

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

The square root of 2131250401 is about 46165.4676246218. The cubic root of 2131250401 is about 1286.9000744899.

Adding to 2131250401 its reverse (1040521312), we get a palindrome (3171771713).

The spelling of 2131250401 in words is "two billion, one hundred thirty-one million, two hundred fifty thousand, four hundred one".