3121430001 has 32 divisors (see below), whose sum is σ = 4334808960. Its totient is φ = 1996286976.

The previous prime is 3121429979. The next prime is 3121430017. The reversal of 3121430001 is 1000341213.

It is not a de Polignac number, because 3121430001 - 2⁶ = 3121429937 is a prime.

It is a super-2 number, since 2×3121430001² = 19486650502285720002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121430101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3194425 + ... + 3195401.

It is an arithmetic number, because the mean of its divisors is an integer number (135462780).

Almost surely, 2^3121430001 is an apocalyptic number.

It is an amenable number.

3121430001 is a deficient number, since it is larger than the sum of its proper divisors (1213378959).

3121430001 is a wasteful number, since it uses less digits than its factorization.

3121430001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3121430001 is about 55869.7592710046. The cubic root of 3121430001 is about 1461.4519241466.

Adding to 3121430001 its reverse (1000341213), we get a palindrome (4121771214).

The spelling of 3121430001 in words is "three billion, one hundred twenty-one million, four hundred thirty thousand, one".