31432004331123 has 16 divisors (see below), whose sum is σ = 45719459049600. Its totient is φ = 19049624585280.

The previous prime is 31432004331107. The next prime is 31432004331137. The reversal of 31432004331123 is 32113340023413.

It is not a de Polignac number, because 31432004331123 - 2⁴ = 31432004331107 is a prime.

It is a super-2 number, since 2×31432004331123² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31432004331163) 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, 7303063 + ... + 10779551.

It is an arithmetic number, because the mean of its divisors is an integer number (2857466190600).

Almost surely, 2^{31432004331123} is an apocalyptic number.

31432004331123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31432004331123 is a deficient number, since it is larger than the sum of its proper divisors (14287454718477).

31432004331123 is a wasteful number, since it uses less digits than its factorization.

31432004331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750482.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 31432004331123 its reverse (32113340023413), we get a palindrome (63545344354536).

The spelling of 31432004331123 in words is "thirty-one trillion, four hundred thirty-two billion, four million, three hundred thirty-one thousand, one hundred twenty-three".