31415401 has 8 divisors (see below), whose sum is σ = 32906304. Its totient is φ = 29934960.

The previous prime is 31415359. The next prime is 31415407. The reversal of 31415401 is 10451413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31415401 - 2¹⁷ = 31284329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31415407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3906 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (4113288).

Almost surely, 2^31415401 is an apocalyptic number.

It is an amenable number.

31415401 is a deficient number, since it is larger than the sum of its proper divisors (1490903).

31415401 is a wasteful number, since it uses less digits than its factorization.

31415401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231.

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

The square root of 31415401 is about 5604.9443351384. The cubic root of 31415401 is about 315.5349974530.

Adding to 31415401 its reverse (10451413), we get a palindrome (41866814).

The spelling of 31415401 in words is "thirty-one million, four hundred fifteen thousand, four hundred one".