31403423410403 has 16 divisors (see below), whose sum is σ = 34327809331200. Its totient is φ = 28490630407680.

The previous prime is 31403423410399. The next prime is 31403423410439. The reversal of 31403423410403 is 30401432430413.

It is a cyclic number.

It is not a de Polignac number, because 31403423410403 - 2² = 31403423410399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31403423410403.

It is not an unprimeable number, because it can be changed into a prime (31403423410003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151107518 + ... + 151315196.

It is an arithmetic number, because the mean of its divisors is an integer number (2145488083200).

Almost surely, 2^{31403423410403} is an apocalyptic number.

31403423410403 is a deficient number, since it is larger than the sum of its proper divisors (2924385920797).

31403423410403 is a wasteful number, since it uses less digits than its factorization.

31403423410403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235522.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31403423410403 its reverse (30401432430413), we get a palindrome (61804855840816).

The spelling of 31403423410403 in words is "thirty-one trillion, four hundred three billion, four hundred twenty-three million, four hundred ten thousand, four hundred three".