31432204140403 has 4 divisors (see below), whose sum is σ = 34289677244088. Its totient is φ = 28574731036720.

The previous prime is 31432204140401. The next prime is 31432204140409. The reversal of 31432204140403 is 30404140223413.

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

It is not a de Polignac number, because 31432204140403 - 2¹ = 31432204140401 is a prime.

It is a super-2 number, since 2×31432204140403² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31432204140401) 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, 1428736551826 + ... + 1428736551847.

It is an arithmetic number, because the mean of its divisors is an integer number (8572419311022).

Almost surely, 2^{31432204140403} is an apocalyptic number.

31432204140403 is a deficient number, since it is larger than the sum of its proper divisors (2857473103685).

31432204140403 is a wasteful number, since it uses less digits than its factorization.

31432204140403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857473103684.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 31432204140403 its reverse (30404140223413), we get a palindrome (61836344363816).

The spelling of 31432204140403 in words is "thirty-one trillion, four hundred thirty-two billion, two hundred four million, one hundred forty thousand, four hundred three".