401031342 has 24 divisors (see below), whose sum is σ = 872215344. Its totient is φ = 133167264.

The previous prime is 401031331. The next prime is 401031353. The reversal of 401031342 is 243130104.

It is an interprime number because it is at equal distance from previous prime (401031331) and next prime (401031353).

It is a super-2 number, since 2×401031342² = 321652274532641928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37623 + ... + 47090.

It is an arithmetic number, because the mean of its divisors is an integer number (36342306).

Almost surely, 2^401031342 is an apocalyptic number.

401031342 is an abundant number, since it is smaller than the sum of its proper divisors (471184002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401031342 is a wasteful number, since it uses less digits than its factorization.

401031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84984 (or 84981 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 401031342 is about 20025.7669516051. The cubic root of 401031342 is about 737.4390056614.

Adding to 401031342 its reverse (243130104), we get a palindrome (644161446).

The spelling of 401031342 in words is "four hundred one million, thirty-one thousand, three hundred forty-two".