1001431106 has 16 divisors (see below), whose sum is σ = 1618762488. Its totient is φ = 461894400.

The previous prime is 1001431049. The next prime is 1001431117. The reversal of 1001431106 is 6011341001.

It can be written as a sum of positive squares in 4 ways, for example, as 836077225 + 165353881 = 28915^2 + 12859^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30266 + ... + 54026.

Almost surely, 2^1001431106 is an apocalyptic number.

1001431106 is a deficient number, since it is larger than the sum of its proper divisors (617331382).

1001431106 is a wasteful number, since it uses less digits than its factorization.

1001431106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25397.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1001431106 is about 31645.3962844519. The cubic root of 1001431106 is about 1000.4768079514.

Adding to 1001431106 its reverse (6011341001), we get a palindrome (7012772107).

The spelling of 1001431106 in words is "one billion, one million, four hundred thirty-one thousand, one hundred six".