9420401131 has 4 divisors (see below), whose sum is σ = 9974542392. Its totient is φ = 8866259872.

The previous prime is 9420401119. The next prime is 9420401183. The reversal of 9420401131 is 1311040249.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9420401131 - 2⁵ = 9420401099 is a prime.

It is a super-2 number, since 2×9420401131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9420401096 and 9420401105.

It is not an unprimeable number, because it can be changed into a prime (9420401831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277070605 + ... + 277070638.

It is an arithmetic number, because the mean of its divisors is an integer number (2493635598).

Almost surely, 2^9420401131 is an apocalyptic number.

9420401131 is a deficient number, since it is larger than the sum of its proper divisors (554141261).

9420401131 is a wasteful number, since it uses less digits than its factorization.

9420401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554141260.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 9420401131 is about 97058.7509243757. The cubic root of 9420401131 is about 2111.9799875279.

The spelling of 9420401131 in words is "nine billion, four hundred twenty million, four hundred one thousand, one hundred thirty-one".