1631375001 has 12 divisors (see below), whose sum is σ = 2358946980. Its totient is φ = 1086421920.

The previous prime is 1631374993. The next prime is 1631375051. The reversal of 1631375001 is 1005731361.

1631375001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 845413776 + 785961225 = 29076^2 + 28035^2 .

It is not a de Polignac number, because 1631375001 - 2³ = 1631374993 is a prime.

It is a super-2 number, since 2×1631375001² = 5322768787775500002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1631375051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87846 + ... + 104783.

It is an arithmetic number, because the mean of its divisors is an integer number (196578915).

Almost surely, 2^1631375001 is an apocalyptic number.

It is an amenable number.

1631375001 is a deficient number, since it is larger than the sum of its proper divisors (727571979).

1631375001 is a wasteful number, since it uses less digits than its factorization.

1631375001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193576 (or 193573 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1631375001 is about 40390.2834973958. The cubic root of 1631375001 is about 1177.2027491525.

The spelling of 1631375001 in words is "one billion, six hundred thirty-one million, three hundred seventy-five thousand, one".